Medium severity5.4NVD Advisory· Published Oct 25, 2026· Updated Oct 25, 2026
CVE-2026-116139
CVE-2026-116139
Description
WWBN AVideo 26.0 through 29.3.0 contains a stored cross-site scripting vulnerability that allows authenticated commenters to inject JavaScript because markDownToHTML() preserves event-handler attributes in leading HTML blocks. Attackers can post a comment starting with an img tag carrying an onerror handler, which bypasses the inline sanitizer and executes in viewers' browsers under the application origin.
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Affected products
1Patches
Vulnerability mechanics
References
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