CVE-2026-89243

CRITICAL CVSS 4.0: 9.2 EPSS 0.36%
Updated Sep 11, 2026
Wwbn
Parameter Value
CVSS 9.2 (CRITICAL)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Wwbn
Public PoC No

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in UserGroups::setGroup_name() that fails to sanitize group_name input. Administrators with canAdminUserGroups permission can inject malicious HTML and JavaScript that executes in the browser when other administrators access the user manager interface.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Wwbn Avideo
cpe:2.3:a:wwbn:avideo:-:*:*:*:*:*:*:*