CVE-2026-116139

MediumCVSS 5.4/10Last modified Oct 26, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
WWBNAVideo>= 26.0, <= 29.3.0

References

Timeline

Published
Oct 25, 2026
Last modified
Oct 26, 2026
NVD status
Deferred

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CVE-2026-116139: Medium severity, CVSS 5.4 | Vulnix