{"id":"CVE-2017-16941","aliases":["EUVD-2017-8110","GHSA-qhc2-3cg3-6xhg"],"status":"disputed","title":"** DISPUTED ** October CMS through 1.0.428 does not prevent use of .htaccess in themes, which...","description":"October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.","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":0.01559,"percentile":0.75383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2017-11-25T05:00:00Z","modified":"2026-10-20T10:47:46Z","products":[{"vendor":"octobercms","product":"october"}],"references":[{"url":"https://github.com/octobercms/october/issues/3257","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16941"},{"url":"https://github.com/advisories/GHSA-qhc2-3cg3-6xhg"}],"sources":{"cve":[{"id":"CVE-2017-16941","description":"October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.","status":"disputed","published":"2017-11-25T05:00:00Z","modified":"2024-08-05T20:43:57.858Z","updated_at":"2026-11-02T14:33:21.453505Z"}],"euvd":[{"id":"EUVD-2017-8110","description":"October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.","status":"published","published":"2017-11-25T05:00:00Z","modified":"2024-08-05T20:43:57Z","updated_at":"2026-11-03T02:23:11.095005Z"}],"ghsa":[{"id":"GHSA-qhc2-3cg3-6xhg","title":"** DISPUTED ** October CMS through 1.0.428 does not prevent use of .htaccess in themes, which...","description":"** DISPUTED ** October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.\"","status":"published","published":"2022-05-17T00:12:15Z","modified":"2023-02-03T05:01:13Z","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":"2026-11-02T14:52:56.051434Z"}],"nvd":[{"id":"CVE-2017-16941","description":"October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.","status":"disputed","published":"2017-11-25T05:29:00.21Z","modified":"2026-06-17T01:10:11.103Z","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":"2026-11-02T14:04:09.7374Z"}],"osv":[{"id":"CVE-2017-16941","description":"October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.","status":"published","published":"2017-11-25T05:29:00.21Z","modified":"2026-10-20T10:47:46.933751531Z","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":"2026-11-02T15:44:04.853379Z"}]}}