{"id":"CVE-2025-63589","details":"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.","modified":"2026-08-12T03:51:38.293574214Z","published":"2025-11-06T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63589.json"},"references":[{"type":"WEB","url":"https://github.com/cmsimple-xh/cmsimple-xh/blob/master/index.php"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63589.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-63589"},{"type":"PACKAGE","url":"https://github.com/cybercrewinc/CVE-2025-63589"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cmsimple-xh/cmsimple-xh","events":[{"introduced":"569ec8e70618892017558dbf5214d8d414322728"},{"last_affected":"569ec8e70618892017558dbf5214d8d414322728"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:cmsimple-xh:cmsimple_xh:1.8.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"1.8.0-NA"},{"last_affected":"1.8.0-NA"}]}}],"versions":["1.8.0-NA","1.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-63589.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"}]}