{"id":"CVE-2019-16993","aliases":["DLA-1942-1","DLA-1942-2","EUVD-2022-5363","GHSA-vj3x-vfm4-hvxc","UBUNTU-CVE-2019-16993"],"status":"published","title":"phpBB Cross-Site Request Forgery (CSRF)","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00804,"percentile":0.5699,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2019-09-30T11:30:40Z","modified":"2026-10-20T10:50:48Z","fixes":[{"ecosystem":"Packagist","package":"phpbb/phpbb","fixed_in":["3.1.7-PL1"],"sources":["ghsa","osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"phpbb3","fixed_in":["3.0.12-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"phpbb/phpbb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.7-PL1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"phpbb3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.12-5+deb8u4"}]}],"versions":["3.0.12-5","3.0.12-5+deb8u1","3.0.12-5+deb8u2","3.0.12-5+deb8u3"],"bundled":2},{"source":"osv","ecosystem":"Debian:8","package":"phpbb3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.12-5+deb8u4"}]}],"versions":["3.0.12-5","3.0.12-5+deb8u1","3.0.12-5+deb8u2","3.0.12-5+deb8u3"],"bundled":2},{"source":"osv","ecosystem":"Packagist","package":"phpbb/phpbb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.7-PL1"}]}],"versions":["3.0.12","3.0.12-RC1","3.0.12-RC2","3.0.12-RC3","3.0.13","3.0.13-PL1","3.0.13-RC1","3.0.14","3.0.14-RC1","3.1.0","3.1.0-RC1","3.1.0-RC2","3.1.0-RC3","3.1.0-RC4","3.1.0-RC5","3.1.0-RC6","3.1.0-a1","3.1.0-a2","3.1.0-a3","3.1.0-b1","3.1.0-b2","3.1.0-b3","3.1.0-b4","3.1.1","3.1.2","3.1.2-RC1","3.1.3","3.1.3-RC1","3.1.3-RC2","3.1.4","3.1.4-RC1","3.1.4-RC2","3.1.5","3.1.5-RC1","3.1.6","3.1.6-RC1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"phpbb3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.12-1ubuntu0.1~esm1"}]}],"versions":["3.0.11-5","3.0.12-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"phpbb3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.14-1","3.0.14-1ubuntu1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"phpbb","product":"phpbb"}],"references":[{"url":"https://www.phpbb.com/community/viewtopic.php?t=2352606","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://www.phpbb.com/support/documents.php?mode=changelog\u0026version=3#v317","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00036.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/10/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16993","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vj3x-vfm4-hvxc"},{"url":"https://github.com/phpbb/phpbb-app","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2019-16993","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-16993","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-16993","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2019-09-30T11:30:40Z","modified":"2024-08-05T01:24:48.712Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2022-5363","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2019-09-30T11:30:40Z","modified":"2024-08-05T01:24:48Z","updated_at":"2026-11-03T02:40:31.468839Z"}],"ghsa":[{"id":"GHSA-vj3x-vfm4-hvxc","title":"phpBB Cross-Site Request Forgery (CSRF)","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2022-05-24T16:57:09Z","modified":"2024-04-24T17:44:45Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:37:45.47408Z"}],"nvd":[{"id":"CVE-2019-16993","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2019-09-30T12:15:10.86Z","modified":"2026-06-17T02:23:06.633Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:05:30.039477Z"}],"osv":[{"id":"CVE-2019-16993","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2019-09-30T12:15:10.86Z","modified":"2026-10-20T10:50:48.052877526Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:11.673963Z"},{"id":"GHSA-vj3x-vfm4-hvxc","title":"phpBB Cross-Site Request Forgery (CSRF)","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2022-05-24T16:57:09Z","modified":"2024-04-24T17:57:36.508064Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"UBUNTU-CVE-2019-16993","description":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","status":"published","published":"2019-09-30T12:15:00Z","modified":"2025-10-24T04:47:54Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:20.325378Z"},{"id":"DLA-1942-1","title":"phpbb3 - security update","status":"published","published":"2019-10-01T00:00:00Z","modified":"2026-03-09T01:19:24.944041Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"DLA-1942-2","title":"phpbb3 - security update","status":"published","published":"2019-10-06T00:00:00Z","modified":"2026-03-09T01:22:40.384622Z","updated_at":"2026-11-02T15:46:10.227108Z"}]}}