CVE-2026-45578

WWBN AVideo Live: OS command injection in on_publish.php execAsync via unescaped m3u8 URL

State: Published
Severity: 8.8 High
Published: May 29, 2026
Updated: May 29, 2026
Reserved: May 12, 2026

Description

WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a classic shell-metacharacter injection. The YPTSocket notification branch in plugin/Live/on_publish.php builds an execAsync() command line by string concatenation, single-quoting each argument but never calling escapeshellarg(). A ' in any of the three interpolated values ($users_id, $m3u8, $obj->liveTransmitionHistory_id) closes the quoted token and lets the attacker append arbitrary commands.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
AVideoWWBN	<= 29.0Affected

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-xw67-cg5f-4m2r

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