CVE-2026-89253 WWBN AVideo - Stored XSS

WWBN AVideo contains a stored XSS caused by improper validation and encoding of the 'donationLink' user profile field, letting authenticated users inject JavaScript that executes in visitors' browsers, exploit requires user authentication.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.37% 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
11 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version once a fix is available or apply proper input validation and output encoding for the donationLink field.

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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