cvedb.io
CVE-2025-63589
HIGH · CVSS 7.1
EPSS exploitation probability: 0%
Published 2025-11-06T17:15:46.343 · Last modified 2026-06-17T09:53:16.377

Summary

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.

Affected products

cmsimple-xh — cmsimple_xh

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.