CVE-2026-89243 WWBN AVideo - Stored XSS

WWBN AVideo contains a stored XSS caused by lack of sanitization in UserGroups::setGroup_name(), letting administrators with canAdminUserGroups permission inject malicious scripts executed by other administrators, exploit requires admin privileges.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version with proper input sanitization.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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