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Description

WWBN AVideo is an open source video platform. In versions 29.0 and below, the `isValidDuration()` regex at `objects/video.php:918` uses `/^[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}/` without a `$` end anchor, allowing arbitrary HTML/JavaScript to be appended after a valid duration prefix. The crafted duration is stored in the database and rendered without HTML escaping via `echo Video::getCleanDuration()` on trending pages, playlist pages, and video gallery thumbnails, resulting in stored cross-site scripting. Commit bcba324644df8b4ed1f891462455f1cd26822a45 contains a fix.

PUBLISHED Reserved 2026-04-16 | Published 2026-04-21 | Updated 2026-04-22 | Assigner GitHub_M




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

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

<= 29.0
affected

References

github.com/...AVideo/security/advisories/GHSA-8pv3-29pp-pf8f exploit

github.com/...AVideo/security/advisories/GHSA-8pv3-29pp-pf8f

github.com/...ommit/bcba324644df8b4ed1f891462455f1cd26822a45

cve.org (CVE-2026-41061)

nvd.nist.gov (CVE-2026-41061)

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