{"id":"CVE-2017-14251","aliases":["EUVD-2022-3781","GHSA-fh4q-hxrw-cjqq"],"status":"published","title":"TYPO3 Arbitrary Code Execution","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02312,"percentile":0.83506,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2017-09-11T09:00:00Z","modified":"2026-10-24T10:30:39Z","fixes":[{"ecosystem":"Packagist","package":"typo3/cms","fixed_in":["7.6.22","8.7.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.6.0"},{"fixed":"7.6.22"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.7.5"}]}]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.6.0"},{"fixed":"7.6.22"}]}],"versions":["7.6.0","7.6.1","7.6.10","7.6.11","7.6.12","7.6.13","7.6.14","7.6.15","7.6.16","7.6.17","7.6.18","7.6.19","7.6.2","7.6.3","7.6.4","7.6.5","7.6.6","7.6.7","7.6.8","7.6.9","v7.6.20","v7.6.21"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.7.5"}]}],"versions":["8.0.0","8.0.1","8.1.0","8.1.1","8.1.2","8.2.0","8.2.1","8.3.0","8.3.1","8.4.0","8.4.1","8.5.0","8.5.1","8.6.0","8.6.1","8.7.0","8.7.1","8.7.2","v8.7.3","v8.7.4"]}],"products":[{"vendor":"typo3","product":"typo3"}],"references":[{"url":"https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","evidence"]},{"url":"http://www.securityfocus.com/bid/100620","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"http://www.securitytracker.com/id/1039295","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html","tags":["x_refsource_MISC","x_transferred","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-14251","tags":["advisory"]},{"url":"https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fh4q-hxrw-cjqq"},{"url":"https://github.com/TYPO3/typo3","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2017-14251","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","status":"published","published":"2017-09-11T09:00:00Z","modified":"2024-08-05T19:20:41.287Z","updated_at":"2026-11-02T14:33:12.267141Z"}],"euvd":[{"id":"EUVD-2022-3781","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","status":"published","published":"2017-09-11T09:00:00Z","modified":"2024-08-05T19:20:41Z","updated_at":"2026-11-03T02:23:17.130971Z"}],"ghsa":[{"id":"GHSA-fh4q-hxrw-cjqq","title":"TYPO3 Arbitrary Code Execution","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","status":"published","published":"2022-05-17T00:18:39Z","modified":"2024-04-25T21:29:50Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:37:46.667202Z"}],"nvd":[{"id":"CVE-2017-14251","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","status":"published","published":"2017-09-11T09:29:00.467Z","modified":"2026-06-17T01:05:49.477Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:03:58.85945Z"}],"osv":[{"id":"CVE-2017-14251","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","status":"published","published":"2017-09-11T09:29:00.467Z","modified":"2026-10-24T10:30:39.680913453Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:04.572713Z"},{"id":"GHSA-fh4q-hxrw-cjqq","title":"TYPO3 Arbitrary Code Execution","description":"Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.","status":"published","published":"2022-05-17T00:18:39Z","modified":"2024-04-25T21:57:34.638161Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:46.39441Z"}]}}