What is CVE-2026-105086?

CVE-2026-105086 is a high-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-10-04.

How severe is CVE-2026-105086?

High severity. CVSS v3 base score is 8.7 out of 10.

XSS in Wwbn Avideo

CVE-2026-105086

WWBN AVideo 12.4 through 29.2.0 contains a stored cross-site scripting vulnerability that allows authenticated uploaders to inject HTML by submitting doubly-encoded entities in video titles. Because safeString() strips tags before decoding entities and runs twice via setTitle() and save(), attackers can store markup that executes in trending, gallery, embed, and playlist pages.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-04 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/WWBN/AVideo/security/advisories/GHSA-q62w-927x-vhhf (vendor-advisory)
github.com/WWBN/AVideo/commit/c4b6ca95a0ae3efa09919a98879870086cff150e (patch)
www.vulncheck.com/advisories/wwbn-avideo-12.4-through-29.2.0-stored-xss-via-dou… (third-party-advisory)

Frequently asked questions

What is CVE-2026-105086?: CVE-2026-105086 is a high-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-10-04.
How severe is CVE-2026-105086?: High severity. CVSS v3 base score is 8.7 out of 10.