CVE-2026-88868

9.3 criticalEPSS 0.4%

Critical (9.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

CVSS 3.1

8.7 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-09-10
Modified: 2026-09-10
Record from: the NVD, synced 2026-10-19

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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