Which versions of Online Booking & Scheduling Calendar by vcita are vulnerable?

Known issues on record (newest first): Missing authorization check (4.6.0 and older, fixed in 4.6.3); Stored cross-site scripting (XSS) (4.6.0 and older, fixed in 4.6.1); Missing authorization check (4.5.5 and older, fixed in 4.6.0); Cross-site request forgery (CSRF) (4.5.5 and older, fixed in 4.6.0); Arbitrary file upload (4.5.3 and older, fixed in 4.5.5); Stored cross-site scripting (XSS) (4.5.3 and older, fixed in 4.5.5). The full list with sources is on this page.

What is the latest version of Online Booking & Scheduling Calendar by vcita?

4.6.6, according to wordpress.org (last updated 2026-09-23). It has 1,000+ active installs.

What should I do if my Online Booking & Scheduling Calendar by vcita is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update meeting-scheduler-by-vcita). If you cannot update right away, deactivate it until you can. If you think the site was already attacked, run a free scan at https://laskyr.com/scan.

Plugins · meeting-scheduler-by-vcita · data as of 2026-11-04

Is Online Booking & Scheduling Calendar by vcita safe? Known vulnerabilities and latest version

Q: Is Online Booking & Scheduling Calendar by vcita safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (4.6.6). As of 2026-11-04. 21 issues are on record for older versions; version 4.6.3 or newer fixes all of them that state a fix. Keep Online Booking & Scheduling Calendar by vcita on the latest version (4.6.6) and remove it if you do not use it.

Latest version: 4.6.6
Last updated: 2026-09-23
Active installs: 1,000+
Known issues on record: 21
Unpatched in latest: 0
Tested up to WP: 7.1.4

Let clients schedule meetings with you online! No more back & forth emails — by vcita

What to do

Update to the latest version (4.6.6). Anything older than 4.6.3 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.

With WP-CLI: wp plugin get meeting-scheduler-by-vcita --field=version shows what you run; wp plugin update meeting-scheduler-by-vcita updates it.

Check your version

Known vulnerabilities

21 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.

high 7.5 CVE-2026-95513 · published 2026-09-23

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.6.0 and older)

Affected: 4.6.0 and older
Fixed in: 4.6.3
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Unauthenticated Broken Access Control in Online Booking & Scheduling Calendar for WordPress by vcita <= 4.6.0 versions.

NVD CVE-2026-95513 Patchstack advisory

high 7.2 CVE-2026-14433 · published 2026-08-15

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.6.0 and older)

Affected: 4.6.0 and older
Fixed in: 4.6.1 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by Wordfence

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'business_id' parameter in all versions up to, and including, 4.6.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

NVD CVE-2026-14433 Wordfence advisory Code change (fix)Plugin source

medium 5.4 CVE-2025-67559 · published 2025-12-09

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.5.5 and older)

Affected: 4.5.5 and older
Fixed in: 4.6.0
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Missing Authorization vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.5.

NVD CVE-2025-67559 Patchstack advisory

high 8.8 CVE-2025-67472 · published 2025-12-09

Cross-site request forgery (CSRF) in Online Booking & Scheduling Calendar by vcita (4.5.5 and older)

Affected: 4.5.5 and older
Fixed in: 4.6.0
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Cross-Site Request Forgery (CSRF) vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Cross Site Request Forgery.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.5.

NVD CVE-2025-67472 Patchstack advisory

high 7.2 CVE-2025-54677 · published 2025-08-20

Arbitrary file upload in Online Booking & Scheduling Calendar by vcita (4.5.3 and older)

Affected: 4.5.3 and older
Fixed in: 4.5.5
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Unrestricted Upload of File with Dangerous Type vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Using Malicious Files.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.3.

NVD CVE-2025-54677 Patchstack advisory

medium 5.4 CVE-2025-54676 · published 2025-08-14

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.5.3 and older)

Affected: 4.5.3 and older
Fixed in: 4.5.5
Access needed (per CVSS): Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Stored XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.3.

NVD CVE-2025-54676 Patchstack advisory

medium 4.3 CVE-2025-32238 · published 2025-04-04

Information disclosure in Online Booking & Scheduling Calendar by vcita (4.5.5 and older)

Affected: 4.5.5 and older
Fixed in: 4.6.0
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Generation of Error Message Containing Sensitive Information vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Retrieve Embedded Sensitive Data.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.5.

NVD CVE-2025-32238 Patchstack advisory

medium 5.4 CVE-2024-54356 · published 2024-12-16

Cross-site request forgery (CSRF) in Online Booking & Scheduling Calendar by vcita (4.5 and older)

Affected: 4.5 and older
Fixed in: 4.5.2
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

NVD CVE-2024-54356 Patchstack advisory

medium 5.4 CVE-2024-9872 · published 2024-12-06

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.5.1 and older)

Affected: 4.5.1 and older
Fixed in: 4.5.2 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Wordfence

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the vcita_save_user_data_callback() function in all versions up to, and including, 4.5.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject malicious web scripts and update settings.

NVD CVE-2024-9872 Wordfence advisory Code change (fix)

medium 6.1 CVE-2024-47638 · published 2024-10-05

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.6 and older)

Affected: 4.4.6 and older
Fixed in: 4.5
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Reflected XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.4.6.

NVD CVE-2024-47638 Patchstack advisory

medium 6.1 CVE-2024-37262 · published 2024-07-22

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Affected: 4.4.2 and older
Fixed in: 4.4.3
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in vCita.Com Online Booking & Scheduling Calendar for WordPress by vcita allows Reflected XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through 4.4.2.

NVD CVE-2024-37262 Patchstack advisory

medium 6.5 CVE-2024-37499 · published 2024-07-09

Path traversal / file read in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Affected: 4.4.2 and older
Fixed in: 4.4.3
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in vCita Online Booking & Scheduling Calendar for WordPress by vcita allows Path Traversal.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through 4.4.2.

NVD CVE-2024-37499 Patchstack advisory

medium 6.1 CVE-2024-5791 · published 2024-06-22

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Affected: 4.4.2 and older
Fixed in: 4.4.3 *
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wp_id' parameter in all versions up to, and including, 4.4.2 due to missing authorization checks on processAction function, as well as insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that will execute whenever a user accesses a wp-admin dashboard.

NVD CVE-2024-5791 Wordfence advisory Plugin source

medium 5.4 CVE-2024-35761 · published 2024-06-21

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.0 and older)

Affected: 4.4.0 and older
Fixed in: 4.4.1
Access needed (per CVSS): Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in vCita Online Booking & Scheduling Calendar for WordPress by vcita allows Stored XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through 4.4.0.

NVD CVE-2024-35761 Patchstack advisory

medium 6.1 CVE-2024-5859 · published 2024-06-21

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Affected: 4.4.2 and older
Fixed in: 4.4.3 *
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Wordfence

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘d’ parameter in all versions up to, and including, 4.4.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

NVD CVE-2024-5859 Wordfence advisory Code change (fix)

medium 6.1 CVE-2023-39992 · published 2023-09-04

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.3.2 and older)

Affected: 4.3.2 and older
Fixed in: 4.3.3
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in vCita.Com Online Booking & Scheduling Calendar for WordPress by vcita plugin <= 4.3.2 versions.

NVD CVE-2023-39992 Patchstack advisory

medium 4.3 CVE-2023-2414 · published 2023-06-09

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.4.6 and older)

Affected: 4.4.6 and older
Fixed in: 4.5 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the vcita_save_settings_callback function in versions up to, and including, 4.4.6. This makes it possible for authenticated attackers with minimal permissions, such as a subscriber, to modify the plugins settings, upload arbitrary files, and inject malicious JavaScript (before 4.3.2).

NVD CVE-2023-2414 Wordfence advisory Code change (fix)blog.jonh.eu Plugin source

medium 6.1 CVE-2023-2298 · published 2023-06-03

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.3.0 and older)

Affected: 4.3.0 and older
Fixed in: 4.3.4 *
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'business_id' parameter in versions up to, and including, 4.3.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

NVD CVE-2023-2298 Wordfence advisory Code change (fix)blog.jonh.eu Plugin source

medium 5.3 CVE-2023-2299 · published 2023-06-03

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Affected: 4.4.2 and older
Fixed in: 4.4.3 *
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized medication of data via the /wp-json/vcita-wordpress/v1/actions/auth REST-API endpoint in versions up to, and including, 4.4.2 due to a missing capability check on the processAction function. This makes it possible for unauthenticated attackers modify the plugin's settings.

NVD CVE-2023-2299 Wordfence advisory Code change (fix)blog.jonh.eu Plugin source

medium 5.4 CVE-2023-2415 · published 2023-06-03

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.2.10 and older)

Affected: 4.2.10 and older
Fixed in: 4.3.0 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the vcita_logout_callback function in versions up to, and including, 4.2.10. This makes it possible for authenticated attackers with minimal permissions, such as a subscriber, to logout a vctia connected account which would cause a denial of service on the appointment scheduler.

NVD CVE-2023-2415 Wordfence advisory Code change (fix)blog.jonh.eu Plugin source

medium 6.5 CVE-2023-2416 · published 2023-06-03

Cross-site request forgery (CSRF) in Online Booking & Scheduling Calendar by vcita (4.5 and older)

Affected: 4.5 and older
Fixed in: 4.5.2 *
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Cross-Site Request Forgery due to a missing nonce check on the vcita_logout_callback function in versions up to, and including, 4.5. This makes it possible for unauthenticated to logout a vctia connected account which would cause a denial of service on the appointment scheduler, via a forged request granted they can trick a site user into performing an action such as clicking on a link.

NVD CVE-2023-2416 Wordfence advisory Code change (fix)blog.jonh.eu Plugin source

Recent activity

2026-09-23 — latest release on wordpress.org (4.6.6).
2026-09-23 — Missing authorization check disclosed (CVE-2026-95513), fixed in 4.6.3.
2026-08-15 — Stored cross-site scripting (XSS) disclosed (CVE-2026-14433), fixed in 4.6.1.
2025-12-09 — Missing authorization check disclosed (CVE-2025-67559), fixed in 4.6.0.

Free. We check the CVE feeds every day and email you only when a new issue for Online Booking & Scheduling Calendar by vcita (meeting-scheduler-by-vcita) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Cross-site scripting (XSS) (9) · Missing authorization (6) · Cross-site request forgery (CSRF) (3) · Arbitrary file upload (1) · Sensitive data exposure (1) · Path traversal and file read (1)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/meeting-scheduler-by-vcita (Plugins API), fetched 2026-11-04.
Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.

Badge for your site or docs (states facts with a date, not a verdict):

<a href="https://laskyr.com/plugins/meeting-scheduler-by-vcita"><img src="https://laskyr.com/plugins/meeting-scheduler-by-vcita/badge.svg" alt="Online Booking & Scheduling Calendar by vcita vulnerability status"></a>

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Is Online Booking & Scheduling Calendar by vcita safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (4.6.6)

What to do

Check your version

Known vulnerabilities

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.6.0 and older)

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.6.0 and older)

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.5.5 and older)

Cross-site request forgery (CSRF) in Online Booking & Scheduling Calendar by vcita (4.5.5 and older)

Arbitrary file upload in Online Booking & Scheduling Calendar by vcita (4.5.3 and older)

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.5.3 and older)

Information disclosure in Online Booking & Scheduling Calendar by vcita (4.5.5 and older)

Cross-site request forgery (CSRF) in Online Booking & Scheduling Calendar by vcita (4.5 and older)

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.5.1 and older)

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.6 and older)

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Path traversal / file read in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.0 and older)

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Reflected cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.3.2 and older)

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.4.6 and older)

Stored cross-site scripting (XSS) in Online Booking & Scheduling Calendar by vcita (4.3.0 and older)

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.4.2 and older)

Missing authorization check in Online Booking & Scheduling Calendar by vcita (4.2.10 and older)

Cross-site request forgery (CSRF) in Online Booking & Scheduling Calendar by vcita (4.5 and older)

Recent activity

Get an email when Online Booking & Scheduling Calendar by vcita has a new vulnerability

Browse vulnerabilities

Where this data comes from