[ CVE-2026-91073 · Published 23 Sep 2026 ]
Vulnerability in Unknown Subscribe Forms
CVSS 6.8
EPSS <1%No fix listed yet
[ Description ]Official description
The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.