CVE-2026-89239
MEDIUM
NVD
CVSS Score
6.1
Severity
MEDIUM
Published
Sep 11, 2026
Vendor
unknown
Description
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a reflected cross-site scripting vulnerability in the showAlertMessage() function that inserts the raw Referer header into a JavaScript comment without encoding. Attackers can craft a Referer header containing */ to close the comment and inject arbitrary JavaScript that executes in the site origin for visitors arriving from the attacker-controlled page.