Vulnerability · Published Jun 20, 2026 · Assigned by VulnCheck
CVE-2026-56347AVideo TopMenu Plugin - Stored Cross-Site Scripting via Unescaped Menu Item Fields
Medium 6.1
In plain English
A medium-severity cross-site scripting in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.2%top 90.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
AVideo TopMenu plugin through version 26.0 contains a stored cross-site scripting vulnerability in menu item rendering due to missing output encoding of icon classes, URLs, and text labels. Attackers can inject malicious JavaScript through unescaped menu item fields that execute for all site visitors, potentially stealing session cookies or performing unauthorized actions.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | wwbn/avideo | no fix listed | GHSA-gmpc-fxg2-vcmq |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- GHSA Advisory GHSA-gmpc-fxg2-vcmq vendor-advisory
- VulnCheck Advisory: AVideo TopMenu Plugin - Stored Cross-Site Scripting via Unescaped Menu Item Fields third-party-advisory