CVE-2026-100630

MEDIUM 5.4

AVideo Stored XSS via HTML Entity Bypass in trailer1 Field

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

AVideo 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.

CWE	CWE-79
Vendor	wwbn
Product	avideo
Published	Sep 26, 2026

Stay Ahead of the Next One

Get instant alerts for wwbn avideo

Be the first to know when new medium vulnerabilities affecting wwbn avideo are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

WWBN / AVideo

0 ≤ 29.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 catAnie