Cross-site scripting in ZoneMinder - #VU158951
Published: November 3, 2026
Vulnerability identifier: #VU158951
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary JavaScript in the browser of a user viewing affected ZoneMinder pages.
The vulnerability exists due to insufficient output escaping in the ZoneMinder Options pages and configuration rendering when displaying stored user-supplied values. A remote user can save a malicious value such as 70812';alert(document.cookie)//450sx0775 in a vulnerable parameter such as ZM_WEB_TITLE to execute JavaScript when a victim subsequently accesses an affected page.
Affected software
ZoneMinder
Remediation
Install security update from vendor's website.
ZoneMinder - addressed in versions 1.36.36, 1.37.74