CVE-2026-100630

AVideo before 29.1.0 contains a stored cross-site scripting vulnerability in the video trailer1 field rendered unsanitized within an inline onclick JavaScript string. Attackers with video upload permission can store HTML entity-encoded payloads that bypass isValidURL() validation and are decoded by the browser to break out of the JavaScript string, executing arbitrary code in any visitor's session including administrators.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-09-26

Modified

2026-10-04

Record from

the NVD, synced 2026-10-19

References

• https://github.com/WWBN/AVideo/commit/40b3267760924389c626a549bb1c6fd013b3b29c
• https://github.com/WWBN/AVideo/security/advisories/GHSA-v7vx-v9q9-qhw3
• https://www.vulncheck.com/advisories/avideo-stored-xss-via-html-entity-bypass-in-trailer1-field
• https://github.com/WWBN/AVideo/security/advisories/GHSA-v7vx-v9q9-qhw3

Check your stackJSON