{"id":"CVE-2016-9420","aliases":["EUVD-2016-10230","GHSA-8g78-7gc4-jx8q"],"status":"published","title":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers...","description":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to \"loose comparison false positives.\"","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02563,"percentile":0.85341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2017-01-31T22:00:00Z","modified":"2026-06-17T00:56:00Z","products":[{"vendor":"mybb","product":"merge_system"},{"vendor":"mybb","product":"mybb"}],"references":[{"url":"https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Release Notes","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/18/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/10/8","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/94396","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9420"},{"url":"https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release"},{"url":"https://github.com/advisories/GHSA-8g78-7gc4-jx8q"}],"sources":{"cve":[{"id":"CVE-2016-9420","description":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to \"loose comparison false positives.\"","status":"published","published":"2017-01-31T22:00:00Z","modified":"2024-08-06T02:50:38.327Z","updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2016-10230","description":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to \"loose comparison false positives.\"","status":"published","published":"2017-01-31T22:00:00Z","modified":"2024-08-06T02:50:38Z","updated_at":"2026-11-03T02:22:27.235814Z"}],"ghsa":[{"id":"GHSA-8g78-7gc4-jx8q","title":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers...","description":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to \"loose comparison false positives.\"","status":"published","published":"2022-05-17T03:01:42Z","modified":"2025-04-20T03:33:13Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:40.757238Z"}],"nvd":[{"id":"CVE-2016-9420","description":"MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to \"loose comparison false positives.\"","status":"published","published":"2017-01-31T22:59:01.72Z","modified":"2026-06-17T00:56:00.313Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:35.029632Z"}]}}