CVE-2025-63589
A reflected XSS vulnerability exists in CMSimple_XH 1.8's index.php router when attacker-controlled path segments are not sanitized or encoded before being inserted into the generated HTML (navigation links, breadcrumbs, search form action, footer links). An attacker-controlled string placed in the URL path is reflected into multiple HTML elements, allowing execution of arbitrary JavaScript in victims' browsers visiting a crafted URL.
- Score
- CVSS 3.1 7.1 High
- Status
- Analyzed - cve@mitre.org
- Published
- 2025-11-06
- Last modified
- 2025-11-06
- Weaknesses
- CWE-79
Affected products
References
- https://github.com/cmsimple-xh/cmsimple-xh/blob/master/index.php
- https://github.com/cybercrewinc/CVE-2025-63589
