WWBN AVideo 29.1.0 through 29.7.1 contains a stored cross-site scripting vulnerability that allows registered users to inject markup…
CVE-2026-126810
WWBN AVideo 29.1.0 through 29.7.1 contains a stored cross-site scripting vulnerability that allows registered users to inject markup through the channel About field rendered in feed/index.php. Attackers can store an unquoted event-handler payload that bypasses feedHtmlDescription() filtering and executes via rss-style.xsl for any visitor, including administrators, viewing the channel feed.
Assessment
- CVSS
- 5.1 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 11 November 2026
- Last updated
- 11 November 2026
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
At the source
References
- https://github.com/WWBN/AVideo/security/advisories/GHSA-2qxw-wm6h-5jr7
- https://github.com/WWBN/AVideo/commit/069557e55f804346bf6ef4c0a5f1b44bfe1a0d9f
- https://github.com/WWBN/AVideo/blob/v29.7.1/feed/index.php#L143-L169
- https://github.com/WWBN/AVideo/blob/v29.7.1/feed/rss-style.xsl#L32-L41
- https://www.vulncheck.com/advisories/wwbn-avideo-29.1.0-through-29.7.1-stored-xss-via-channel-rss-feed
- https://nvd.nist.gov/vuln/detail/CVE-2026-126810
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