Plugins · google-calendar-events · data as of 2026-11-04
Is Simple Calendar safe? Known vulnerabilities and latest version
- Latest version
- 4.3.1
- Last updated
- 2026-10-07
- Active installs
- 50,000+
- Known issues on record
- 5
- Unpatched in latest
- 0
- Tested up to WP
- 7.0.8 · PHP 8.1+
Add Google Calendar events to your WordPress site in minutes. Beautiful calendar displays. Mobile responsive. — by SimpleCalendar
What to do
- Update to the latest version (4.3.1). Anything older than 3.6.0 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 google-calendar-events --field=version shows what you run; wp plugin update google-calendar-events updates it.
Check your version
Known vulnerabilities
5 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 5.3 CVE-2025-68979 · published 2025-12-30
Missing authorization check in Simple Calendar (3.5.9 and older)
- Affected
- 3.5.9 and older
- Fixed in
- 3.6.0
- Access needed (per CVSS)
- No login needed
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Authorization Bypass Through User-Controlled Key vulnerability in SimpleCalendar Google Calendar Events google-calendar-events allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Google Calendar Events: from n/a through <= 3.5.9.
medium 6.1 CVE-2024-8549 · published 2024-09-25
Reflected cross-site scripting (XSS) in Simple Calendar (3.4.2 and older)
- Affected
- 3.4.2 and older
- Fixed in
- 3.4.3 *
- 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 Simple Calendar – Google Calendar Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.4.2. 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.
medium 5.4 CVE-2023-49151 · published 2023-12-14
Stored cross-site scripting (XSS) in Simple Calendar (3.2.6 and older)
- Affected
- 3.2.6 and older
- Fixed in
- 3.2.8 *
- 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 Simple Calendar Simple Calendar – Google Calendar Plugin allows Stored XSS.This issue affects Simple Calendar – Google Calendar Plugin: from n/a through 3.2.6.
high 8.8 CVE-2023-46189 · published 2023-10-25
Cross-site request forgery (CSRF) in Simple Calendar (3.2.5 and older)
- Affected
- 3.2.5 and older
- Fixed in
- 3.2.6 *
- 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 Simple Calendar – Google Calendar Plugin <= 3.2.5 versions.
medium 4.3 CVE-2014-7138 · published 2014-10-16
Cross-site scripting (XSS) in Simple Calendar (2.0.3.1 and older)
- Affected
- 2.0.3.1 and older
- Fixed in
- 2.0.4 *
- Range from
- NVD analysis · score by NVD
Details from the advisory
Cross-site scripting (XSS) vulnerability in the Google Calendar Events plugin before 2.0.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the gce_feed_ids parameter in a gce_ajax action to wp-admin/admin-ajax.php.
NVD CVE-2014-7138wordpress.orgpacketstormsecurity.comsecurityfocus.comsecurityfocus.comexchange.xforce.ibmcloud.comgithub.com
Recent activity
- 2026-10-07 — latest release on wordpress.org (4.3.1).
- 2025-12-30 — Missing authorization check disclosed (CVE-2025-68979), fixed in 3.6.0.
- 2024-09-25 — Reflected cross-site scripting (XSS) disclosed (CVE-2024-8549), fixed in 3.4.3.
- 2023-12-14 — Stored cross-site scripting (XSS) disclosed (CVE-2023-49151), fixed in 3.2.8.
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Browse vulnerabilities
Types found in this plugin: Cross-site scripting (XSS) (3) · Missing authorization (1) · Cross-site request forgery (CSRF) (1)
Where this data comes from
- Version, last update, installs: wordpress.org/plugins/google-calendar-events (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/google-calendar-events"><img src="https://laskyr.com/plugins/google-calendar-events/badge.svg" alt="Simple Calendar vulnerability status"></a>