{"id":"CVE-2010-4626","aliases":["EUVD-2010-4591","GHSA-8h49-6g8c-82vj"],"status":"published","title":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not...","description":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.","severity":{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02154,"percentile":0.82277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2010-12-30T20:00:00Z","modified":"2026-06-16T23:25:11Z","products":[{"vendor":"mybb","product":"mybb"}],"references":[{"url":"http://dev.mybboard.net/issues/843","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://openwall.com/lists/oss-security/2010/10/08/7","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/64516","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://dev.mybboard.net/projects/mybb/repository/revisions/4872","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://openwall.com/lists/oss-security/2010/10/11/8","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://openwall.com/lists/oss-security/2010/12/06/2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4626"},{"url":"http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update"},{"url":"https://github.com/advisories/GHSA-8h49-6g8c-82vj"}],"sources":{"cve":[{"id":"CVE-2010-4626","description":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.","status":"published","published":"2010-12-30T20:00:00Z","modified":"2024-08-07T03:51:17.916Z","updated_at":"2026-11-02T14:33:28.50039Z"}],"euvd":[{"id":"EUVD-2010-4591","description":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.","status":"published","published":"2010-12-30T20:00:00Z","modified":"2024-08-07T03:51:17Z","updated_at":"2026-11-03T01:39:29.508356Z"}],"ghsa":[{"id":"GHSA-8h49-6g8c-82vj","title":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not...","description":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.","status":"published","published":"2022-05-17T02:03:41Z","modified":"2025-04-11T03:42:37Z","updated_at":"2026-11-02T15:01:07.282751Z"}],"nvd":[{"id":"CVE-2010-4626","description":"The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.","status":"published","published":"2010-12-30T21:00:02.55Z","modified":"2026-06-16T23:25:11.947Z","cvss":[{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:00.37682Z"}]}}