Is Spiffy Calendar safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (5.0.11). As of 2026-11-04. 13 issues are on record for older versions; version 5.0.8 or newer fixes all of them that state a fix. Keep Spiffy Calendar on the latest version (5.0.11) and remove it if you do not use it.

Which versions of Spiffy Calendar are vulnerable?

Known issues on record (newest first): Missing authorization check (5.0.7 and older, fixed in 5.0.8); SQL injection (4.9.12 and older, fixed in 4.9.13); Stored cross-site scripting (XSS) (4.9.13 and older, fixed in 4.9.14); Reflected cross-site scripting (XSS) (4.9.13 and older, fixed in 4.9.14); SQL injection (4.9.11 and older, fixed in 4.9.12); Missing authorization check (4.9.10 and older, fixed in 4.9.11). The full list with sources is on this page.

What is the latest version of Spiffy Calendar?

5.0.11, according to wordpress.org (last updated 2026-04-17). It has 2,000+ active installs.

What should I do if my Spiffy Calendar is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update spiffy-calendar). 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 · spiffy-calendar · data as of 2026-11-04

Is Spiffy Calendar safe? Known vulnerabilities and latest version

Latest version: 5.0.11
Last updated: 2026-04-17
Active installs: 2,000+
Known issues on record: 13
Unpatched in latest: 0
Tested up to WP: 6.9.11

Manage and display your events in a responsive calendar with multiple views, widgets and shortcodes. Color-coded categories and recurrence support. — by Spiffy Plugins

What to do

Update to the latest version (5.0.11). Anything older than 5.0.8 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 spiffy-calendar --field=version shows what you run; wp plugin update spiffy-calendar updates it.

Check your version

Known vulnerabilities

13 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.

medium 4.3 CVE-2025-68523 · published 2025-12-24

Missing authorization check in Spiffy Calendar (5.0.7 and older)

Affected: 5.0.7 and older
Fixed in: 5.0.8
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 Spiffy Plugins Spiffy Calendar spiffy-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Spiffy Calendar: from n/a through <= 5.0.7.

NVD CVE-2025-68523 Patchstack advisory

high 7.6 CVE-2024-43969 · published 2024-09-17

SQL injection in Spiffy Calendar (4.9.12 and older)

Affected: 4.9.12 and older
Fixed in: 4.9.13
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Spiffy Plugins Spiffy Calendar allows SQL Injection.This issue affects Spiffy Calendar: from n/a through 4.9.12.

NVD CVE-2024-43969 Patchstack advisory

medium 5.4 CVE-2024-45457 · published 2024-09-15

Stored cross-site scripting (XSS) in Spiffy Calendar (4.9.13 and older)

Affected: 4.9.13 and older
Fixed in: 4.9.14
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 Spiffy Plugins Spiffy Calendar spiffy-calendar allows Stored XSS.This issue affects Spiffy Calendar: from n/a through <= 4.9.13.

NVD CVE-2024-45457 Patchstack advisory

medium 6.1 CVE-2024-45458 · published 2024-09-15

Reflected cross-site scripting (XSS) in Spiffy Calendar (4.9.13 and older)

Affected: 4.9.13 and older
Fixed in: 4.9.14
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 Spiffy Plugins Spiffy Calendar spiffy-calendar allows Reflected XSS.This issue affects Spiffy Calendar: from n/a through <= 4.9.13.

NVD CVE-2024-45458 Patchstack advisory

high 7.2 CVE-2024-38692 · published 2024-07-22

SQL injection in Spiffy Calendar (4.9.11 and older)

Affected: 4.9.11 and older
Fixed in: 4.9.12
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

NVD CVE-2024-38692 Patchstack advisory

medium 6.3 CVE-2024-30528 · published 2024-06-04

Missing authorization check in Spiffy Calendar (4.9.10 and older)

Affected: 4.9.10 and older
Fixed in: 4.9.11
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

Missing Authorization vulnerability in Spiffy Plugins Spiffy Calendar.This issue affects Spiffy Calendar: from n/a through 4.9.10.

NVD CVE-2024-30528 Patchstack advisory

medium 6.1 CVE-2024-30427 · published 2024-03-29

Reflected cross-site scripting (XSS) in Spiffy Calendar (4.9.7 and older)

Affected: 4.9.7 and older
Fixed in: 4.9.10
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 Spiffy Plugins Spiffy Calendar allows Reflected XSS.This issue affects Spiffy Calendar: from n/a through 4.9.7.

NVD CVE-2024-30427 Patchstack advisory

medium 5.3 CVE-2024-0855 · published 2024-02-27

Security issue in Spiffy Calendar (older than 4.9.9)

Affected: older than 4.9.9
Fixed in: 4.9.9
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by CISA ADP

Details from the advisory

The Spiffy Calendar WordPress plugin before 4.9.9 doesn't check the event_author parameter, and allows any user to alter it when creating an event, leading to deceiving users/admins that a page was created by a Contributor+.

NVD CVE-2024-0855 WPScan advisory

medium 5.4 CVE-2023-49745 · published 2023-12-14

Stored cross-site scripting (XSS) in Spiffy Calendar (4.9.5 and older)

Affected: 4.9.5 and older
Fixed in: 4.9.6
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 Spiffy Plugins Spiffy Calendar allows Stored XSS.This issue affects Spiffy Calendar: from n/a through 4.9.5.

NVD CVE-2023-49745 Patchstack advisory

critical 9.8 CVE-2022-46859 · published 2023-11-03

SQL injection in Spiffy Calendar (4.9.1 and older)

Affected: 4.9.1 and older
Fixed in: 4.9.2
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Spiffy Plugins Spiffy Calendar spiffy-calendar allows SQL Injection.This issue affects Spiffy Calendar: from n/a through 4.9.1.

NVD CVE-2022-46859 Patchstack advisory

medium 6.1 CVE-2023-32122 · published 2023-08-18

Reflected cross-site scripting (XSS) in Spiffy Calendar (4.9.3 and older)

Affected: 4.9.3 and older
Fixed in: 4.9.4
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

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Spiffy Plugins Spiffy Calendar plugin <= 4.9.3 versions.

NVD CVE-2023-32122 Patchstack advisory

medium 5.4 CVE-2022-29434 · published 2022-05-20

Missing authorization check in Spiffy Calendar (4.9.0 and older)

Affected: 4.9.0 and older
Fixed in: 4.9.2 *
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

Insecure Direct Object References (IDOR) vulnerability in Spiffy Plugins Spiffy Calendar <= 4.9.0 at WordPress allows an attacker to edit or delete events.

NVD CVE-2022-29434 Patchstack advisory wordpress.org

medium 4.3 CVE-2022-25599 · published 2022-02-21

Cross-site request forgery (CSRF) in Spiffy Calendar (4.9.0 and older)

Affected: 4.9.0 and older
Fixed in: 4.9.2 *
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

Cross-Site Request Forgery (CSRF) vulnerability leading to event deletion was discovered in Spiffy Calendar WordPress plugin (versions <= 4.9.0).

NVD CVE-2022-25599 Patchstack advisory wordpress.org

Recent activity

2026-04-17 — latest release on wordpress.org (5.0.11).
2025-12-24 — Missing authorization check disclosed (CVE-2025-68523), fixed in 5.0.8.
2024-09-17 — SQL injection disclosed (CVE-2024-43969), fixed in 4.9.13.
2024-09-15 — Stored cross-site scripting (XSS) disclosed (CVE-2024-45457), fixed in 4.9.14.

Free. We check the CVE feeds every day and email you only when a new issue for Spiffy Calendar (spiffy-calendar) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Cross-site scripting (XSS) (5) · Missing authorization (3) · SQL injection (3) · Cross-site request forgery (CSRF) (1)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/spiffy-calendar (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/spiffy-calendar"><img src="https://laskyr.com/plugins/spiffy-calendar/badge.svg" alt="Spiffy Calendar vulnerability status"></a>

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Is Spiffy Calendar safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (5.0.11)

What to do

Check your version

Known vulnerabilities

Missing authorization check in Spiffy Calendar (5.0.7 and older)

SQL injection in Spiffy Calendar (4.9.12 and older)

Stored cross-site scripting (XSS) in Spiffy Calendar (4.9.13 and older)

Reflected cross-site scripting (XSS) in Spiffy Calendar (4.9.13 and older)

SQL injection in Spiffy Calendar (4.9.11 and older)

Missing authorization check in Spiffy Calendar (4.9.10 and older)

Reflected cross-site scripting (XSS) in Spiffy Calendar (4.9.7 and older)

Security issue in Spiffy Calendar (older than 4.9.9)

Stored cross-site scripting (XSS) in Spiffy Calendar (4.9.5 and older)

SQL injection in Spiffy Calendar (4.9.1 and older)

Reflected cross-site scripting (XSS) in Spiffy Calendar (4.9.3 and older)

Missing authorization check in Spiffy Calendar (4.9.0 and older)

Cross-site request forgery (CSRF) in Spiffy Calendar (4.9.0 and older)

Recent activity

Get an email when Spiffy Calendar has a new vulnerability

Browse vulnerabilities

Where this data comes from