CVE-2026-45580

WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute

Published May 29, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a stored cross-site scripting vulnerability. The Live plugin's "YouTube-style" view renders the live transmission's stream key into an HTML class attribute by raw echo, without htmlspecialchars(). A canStream user can persist a key containing " plus an event handler via plugin/Live/saveLive.php, and any visitor (logged in or anonymous) opening the stream's live page executes attacker JavaScript in the platform origin.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-m5j4-7r85-2cj2 AVideo: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Wwbn
Wwbn avideo
Vendors & Products Wwbn
Wwbn avideo
Type Values Removed Values Added
Description WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a stored cross-site scripting vulnerability. The Live plugin's "YouTube-style" view renders the live transmission's stream key into an HTML class attribute by raw echo, without htmlspecialchars(). A canStream user can persist a key containing " plus an event handler via plugin/Live/saveLive.php, and any visitor (logged in or anonymous) opening the stream's live page executes attacker JavaScript in the platform origin.
Title WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 2, 2026, 1:09 AM
Reserved
May 12, 2026, 7:00 PM
Status
Analyzed
Published
May 29, 2026, 2:16 PM
Modified
Jul 21, 2026, 12:10 PM