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Vulnerability record · CVE-2026-88868 · published 10 September 2026

CVE-2026-88868: Cross-site scripting vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 0.37% · top 72.1% CWE-79 · Cross-site scripting Deferred
9.3CVSS 4.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
10 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-88868), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.