{"id":"CVE-2021-44279","aliases":["EUVD-2021-2451","GHSA-5vr6-hm68-5j9p"],"status":"published","title":"Cross-site Scripting in LibreNMS","description":"Librenms 21.11.0 is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00648,"percentile":0.51587,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-12-01T13:09:01Z","modified":"2026-10-20T10:55:05Z","affected":[{"source":"ghsa","ecosystem":"Packagist","package":"librenms/librenms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"21.11.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"librenms/librenms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"21.11.0"}]}],"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","21.2.0","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"]}],"products":[{"vendor":"librenms","product":"librenms"}],"references":[{"url":"https://github.com/librenms/librenms/pull/13554","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44279","tags":["advisory"]},{"url":"https://github.com/librenms/librenms/pull/13554/commits/4f231a0f49b6c953d506913364ffd7fb3a660630","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5vr6-hm68-5j9p"},{"url":"https://github.com/librenms/librenms","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-44279","description":"Librenms 21.11.0 is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","status":"published","published":"2021-12-01T13:09:01Z","modified":"2024-08-04T04:17:24.908Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-2451","description":"Librenms 21.11.0 is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","status":"published","published":"2021-12-01T13:09:01Z","modified":"2024-08-04T04:17:24Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-5vr6-hm68-5j9p","title":"Cross-site Scripting in LibreNMS","description":"LibreNMS 21.11.0 is affected by is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","status":"published","published":"2021-12-03T20:49:16Z","modified":"2023-02-01T05:06:26Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:39.086869Z"}],"nvd":[{"id":"CVE-2021-44279","description":"Librenms 21.11.0 is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","status":"published","published":"2021-12-01T14:15:07.95Z","modified":"2026-06-17T04:12:08.597Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:01.811115Z"}],"osv":[{"id":"CVE-2021-44279","description":"Librenms 21.11.0 is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","status":"published","published":"2021-12-01T14:15:07.95Z","modified":"2026-10-20T10:55:05.504354835Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-5vr6-hm68-5j9p","title":"Cross-site Scripting in LibreNMS","description":"LibreNMS 21.11.0 is affected by is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/forms/poller-groups.inc.php.","status":"published","published":"2021-12-03T20:49:16Z","modified":"2024-02-17T05:34:42.654496Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:38.911014Z"}]}}