CVE-2026-16558

The YMC Filter WordPress plugin before 3.12.8 does not sanitize and escape a layout builder setting before outputting it on a public endpoint, and does not verify object ownership when the setting is saved, allowing users with the Contributor role and above to store JavaScript that executes in th...

CVE-2026-16558

The YMC Filter WordPress plugin (versions before 3.12.8 ) is vulnerable to a Stored Cross-Site Scripting (XSS) flaw. The root cause is a failure to verify object ownership when saving layout builder settings, combined with a lack of proper sanitization and escaping before outputting those setting...