[ CVE-2026-91829 · Published 11 Oct 2026 ]

Vulnerability in Unknown Subscribe to Comments

CVSS 7.1 EPSS <1%No fix listed yet

[ Description ]Official description

The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL against anyone who clicks it, including 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.