[ CVE-2026-86798 · Published 11 Oct 2026 ]

Vulnerability in Unknown HootBoard

CVSS 8.8 EPSS <1%No fix listed yet

[ Description ]Official description

The HootBoard WordPress plugin through 3.1.4 does not perform any authorisation check on some of its REST endpoints, and does not escape the values stored through them before outputting them in a public page, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of anyone visiting that page, 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.