{"id":"GHSA-86rg-8hc8-v82p","summary":"LibreNMS is vulnerable to Reflected-XSS in `report_this` function","details":"### Summary\nReflected-XSS in `report_this` function in `librenms/includes/functions.php`\n\n### Details\nRecently, it was discovered that  the `report_this` function had improper filtering (`htmlentities` function was incorrectly used in a href environment), which caused the `project_issues` parameter to trigger an XSS vulnerability.\n\nThe Vulnerable Sink:\nhttps://github.com/librenms/librenms/blob/master/includes/functions.php#L444\n\n### PoC\nGET\n`project_issues=javascript:alert(document.cookie)`\n\n### Impact\nXSS vulnerabilities allow attackers to execute malicious scripts in users' browsers, enabling unauthorized access to sensitive data, session hijacking, or malware distribution.\n\n### Suggestion\nIt is recommended to filter dangerous protocols, e.g. `javascript:`/`file:`.","aliases":["CVE-2025-62365"],"modified":"2025-10-14T01:25:14.242090Z","published":"2025-10-13T22:11:25Z","database_specific":{"cwe_ids":["CWE-79"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-10-13T22:11:25Z","nvd_published_at":"2025-10-13T22:15:34Z"},"references":[{"type":"WEB","url":"https://github.com/librenms/librenms/security/advisories/GHSA-86rg-8hc8-v82p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62365"},{"type":"WEB","url":"https://github.com/librenms/librenms/commit/30d3dd7e5f5e22a8c23c9db3ad90a731c005b008"},{"type":"PACKAGE","url":"https://github.com/librenms/librenms"}],"affected":[{"package":{"name":"librenms/librenms","ecosystem":"Packagist","purl":"pkg:composer/librenms/librenms"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.7.0"}]}],"versions":["1.19","1.20","1.20.1","1.21","1.22","1.22.01","1.23","1.24","1.25","1.26","1.27","1.28","1.29","1.30","1.30.01","1.31","1.31.01","1.31.02","1.31.03","1.32","1.32.01","1.33","1.33.01","1.34","1.35","1.36","1.36.01","1.37","1.38","1.39","1.40","1.41","1.42","1.42.01","1.43","1.44","1.45","1.46","1.47","1.48","1.48.1","1.49","1.50","1.50.1","1.51","1.52","1.53","1.53.1","1.54","1.55","1.56","1.57","1.58","1.58.1","1.59","1.60","1.61","1.62","1.62.1","1.62.2","1.63","1.64","1.64.1","1.65","1.65.1","1.66","1.67","1.68","1.69","1.70.0","1.70.1","21.1.0","21.10.0","21.10.1","21.10.2","21.11.0","21.12.0","21.12.1","21.2.0","21.3.0","21.4.0","21.5.0","21.5.1","21.6.0","21.7.0","21.8.0","21.9.0","21.9.1","22.1.0","22.10.0","22.11.0","22.12.0","22.2.0","22.2.1","22.2.2","22.3.0","22.4.0","22.4.1","22.5.0","22.6.0","22.7.0","22.8.0","22.9.0","23.1.0","23.1.1","23.10.0","23.11.0","23.2.0","23.4.0","23.4.1","23.5.0","23.6.0","23.7.0","23.8.0","23.8.1","23.8.2","23.9.0","23.9.1","24.1.0","24.10.0","24.10.1","24.11.0","24.12.0","24.2.0","24.3.0","24.4.0","24.4.1","24.5.0","24.6.0","24.7.0","24.8.0","24.8.1","24.9.0","24.9.1","25.1.0","25.2.0","25.3.0","25.4.0","25.5.0","25.6.0"],"database_specific":{"last_known_affected_version_range":"\u003c= 25.6.0","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-86rg-8hc8-v82p/GHSA-86rg-8hc8-v82p.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P"}]}