CVE-2026-88868: AVideo LiveLinks Stored XSS via title and description fields

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-10 · updated 2026-09-10
Weakness: CWE-79

Description

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LiveLinks plugin where title and description fields are stored without sanitization. A user with canStream permission can inject malicious scripts that execute in the browser of every visitor viewing the live-link page, including administrators, within the site origin.

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-jwmw-j657-28fq
https://www.vulncheck.com/advisories/avideo-livelinks-stored-xss-via-title-and-description-fields

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