CVE-2026-88869 AVideo - Stored XSS

AVideo contains a stored XSS caused by improper escaping of the "label" parameter in AD_Server plugin's log.php endpoint, letting unauthenticated attackers execute arbitrary JavaScript in admin browser sessions.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.53% 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:N/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 with the AD_Server plugin fix.

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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