Is CVE-2026-89254 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-89254?

CVE-2026-89254 has a CVSS v3 severity of HIGH (8.7).

Back

CVE-2026-89254

Description

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the CustomizeUser plugin where the field_name parameter is stored raw without sanitization. Administrators can inject malicious scripts via the add.json.php endpoint that execute when viewing extra info pages or profile forms that render the typeToHTML function.