CVE-2026-89239: Wwbn Avideo

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Wwbn Avideo

Published 2026-09-11. Last modified 2026-09-11.