CVE-2026-88866 WWBN AVideo - Stored XSS

WWBN AVideo contains a stored XSS caused by failure to encode the User-Agent header in the LoginControl plugin, letting attackers with valid accounts execute scripts in administrator browsers via Login History page.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.45% 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:L/UI:R/S:C/C:H/I:H/A:N
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version containing commit c3edcc274c389816d434acadac07ee78eaf330c1 or later.

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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