Is Sugar Calendar safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (3.16.0). As of 2026-11-04. 2 issues are on record for older versions; version 3.10.0 or newer fixes all of them that state a fix. Keep Sugar Calendar on the latest version (3.16.0) and remove it if you do not use it.

Which versions of Sugar Calendar are vulnerable?

Known issues on record (newest first): Missing authorization check (3.9.1 and older, fixed in 3.10.0); Reflected cross-site scripting (XSS) (3.3.0 and older, fixed in 3.4.0). The full list with sources is on this page.

What is the latest version of Sugar Calendar?

3.16.0, according to wordpress.org (last updated 2026-10-15). It has 10,000+ active installs.

What should I do if my Sugar Calendar is out of date?

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

Is Sugar Calendar safe? Known vulnerabilities and latest version

Latest version: 3.16.0
Last updated: 2026-10-15
Active installs: 10,000+
Known issues on record: 2
Unpatched in latest: 0
Tested up to WP: 7.1.4 · PHP 7.4+

Easily manage events and sell tickets on your WordPress site. Sugar Calendar is easy-to-use, reliable, and exceptionally powerful. See for yourself. — by Syed Balkhi

What to do

Update to the latest version (3.16.0). Anything older than 3.10.0 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 sugar-calendar-lite --field=version shows what you run; wp plugin update sugar-calendar-lite updates it.

Check your version

Known vulnerabilities

2 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-2026-24636 · published 2026-01-23

Missing authorization check in Sugar Calendar (3.9.1 and older)

Affected: 3.9.1 and older
Fixed in: 3.10.0
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 Syed Balkhi Sugar Calendar (Lite) sugar-calendar-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sugar Calendar (Lite): from n/a through <= 3.9.1.

NVD CVE-2026-24636 Patchstack advisory

medium 6.1 CVE-2024-10878 · published 2024-11-26

Reflected cross-site scripting (XSS) in Sugar Calendar (3.3.0 and older)

Affected: 3.3.0 and older
Fixed in: 3.4.0 *
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 Wordfence

Details from the advisory

The Sugar Calendar – Simple Event Management plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg & remove_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.3.0. 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-2024-10878 Wordfence advisory Code change (fix)Plugin source

Recent activity

2026-10-15 — latest release on wordpress.org (3.16.0).
2026-01-23 — Missing authorization check disclosed (CVE-2026-24636), fixed in 3.10.0.
2024-11-26 — Reflected cross-site scripting (XSS) disclosed (CVE-2024-10878), fixed in 3.4.0.

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

Browse vulnerabilities

Types found in this plugin: Missing authorization (1) · Cross-site scripting (XSS) (1)

Where this data comes from

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

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