High severity7.1NVD Advisory· Published Nov 6, 2025· Updated Jun 17, 2026
CVE-2025-63589
CVE-2025-63589
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:cmsimple-xh:cmsimple_xh:1.8.0:-:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:cmsimple-xh:cmsimple_xh:1.8.0:-:*:*:*:*:*:*
- (no CPE)range: <1.8
- CMSimple_XH/CMSimple_XHdescription
Patches
Vulnerability mechanics
References
1News mentions
0No linked articles in our index yet.