CVE-2026-89246: Wwbn Avideo

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a CSV formula injection vulnerability in the myComments.download.php endpoint that fails to sanitize spreadsheet formula prefixes in comment text. Authenticated users can inject formulas starting with =, +, -, or @ characters that execute when administrators or video owners open the exported CSV file in spreadsheet applications.

Affected products

• Wwbn Avideo

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