CVE-2026-45580

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 5.4
EPSS 0.0014
EPSS Percentile 3.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
wwbn/avideo < 29.0
WWBN/AVideo 0 - 29.0Packagist
WWBN/AVideo <= 29.0
Published May 29, 2026
Tracked Since May 29, 2026