{"id":"CVE-2011-5251","aliases":["EUVD-2011-5150","GHSA-5fjp-86vc-f4r2"],"status":"published","title":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote...","description":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01533,"percentile":0.74974,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2012-12-31T20:00:00Z","modified":"2026-06-16T23:36:13Z","products":[{"vendor":"vbulletin","product":"vbulletin"}],"references":[{"url":"http://www.vbulletin.com/forum/showthread.php/381014-Potential-Phishing-Vector?p=2166441","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-5251"},{"url":"https://github.com/advisories/GHSA-5fjp-86vc-f4r2"}],"sources":{"cve":[{"id":"CVE-2011-5251","description":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.","status":"published","published":"2012-12-31T20:00:00Z","modified":"2024-09-17T01:16:04.633Z","updated_at":"2026-11-02T14:35:36.252742Z"}],"euvd":[{"id":"EUVD-2011-5150","description":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.","status":"published","published":"2012-12-31T20:00:00Z","modified":"2024-09-17T01:16:04Z","updated_at":"2026-11-03T00:28:51.310992Z"}],"ghsa":[{"id":"GHSA-5fjp-86vc-f4r2","title":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote...","description":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.","status":"published","published":"2022-05-17T05:17:24Z","modified":"2023-01-28T05:03:36Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:00.703043Z"}],"nvd":[{"id":"CVE-2011-5251","description":"Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.","status":"published","published":"2012-12-31T20:55:04.673Z","modified":"2026-06-16T23:36:13.5Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.639283Z"}]}}