CVE-2026-0556

CVE-2026-0556 concerns the XO Event Calendar WordPress plugin (versions

WordPress XO Event Calendar plugin <= 3.2.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'xo_event_field' shortcode vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via 'xoeventfield' shortcode vulnerability discovered by Muhammad Yudha - DJ in WordPress Plugin XO Event Calendar versions = 3.2.10...

PT-2026-20626

The XO Event Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'xo event field' shortcode in all versions up to, and including, 3.2.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for...