CVE-2026-45580
WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
9th
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.
| CWE | CWE-79 |
| Vendor | wwbn |
| Product | avideo |
| Published | May 29, 2026 |
| Last Updated | Jun 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
WWBN / AVideo
<= 29.0