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6.4

The Events Calendar plugin allows attackers to inject malicious scripts

CVE-2026-1922 · published 8 months ago
Summary

If you use the The Events Calendar plugin on your WordPress site, an attacker with contributor-level access or higher can inject malicious code into your site. This can happen when a user visits a specific page. To protect your site, update the plugin to the latest version or remove it if possible.

Original advisory text
The The Events Calendar Shortcode & Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `ecs-list-events` shortcode `message` attribute in all versions up to, a...
The The Events Calendar Shortcode & Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `ecs-list-events` shortcode `message` attribute in all versions up to, and including, 3.1.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.4 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published10 Feb 2026
Updated3 Nov 2026
First seen6 Mar 2026
Sources
CVE-2026-1922 · NVD
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