{"id":"CVE-2025-4800","aliases":["EUVD-2025-16317","GHSA-6mvv-hjmg-x9rf"],"status":"published","title":"MasterStudy LMS Pro \u003c= 4.7.0 - Authenticated (Subscriber+) Arbitrary File Upload","description":"The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a missing file type validation in the stm_lms_add_assignment_attachment function in all versions up to, and including, 4.7.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01231,"percentile":0.69158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2025-05-28T05:24:21Z","modified":"2026-06-17T09:34:02Z","products":[{"vendor":"stylemixthemes","product":"masterstudy lms pro"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c170a228-4abd-4ee6-ba37-bdcde1cb7fc5?source=cve"},{"url":"https://stylemixthemes.com/wordpress-lms-plugin/"},{"url":"https://themeforest.net/item/masterstudy-education-center-wordpress-theme/12170274/"},{"url":"https://docs.stylemixthemes.com/masterstudy-lms/changelog-pro-version"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4800"},{"url":"https://stylemixthemes.com/wordpress-lms-plugin"},{"url":"https://themeforest.net/item/masterstudy-education-center-wordpress-theme/12170274"},{"url":"https://github.com/advisories/GHSA-6mvv-hjmg-x9rf"}],"sources":{"cve":[{"id":"CVE-2025-4800","title":"MasterStudy LMS Pro \u003c= 4.7.0 - Authenticated (Subscriber+) Arbitrary File Upload","description":"The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a missing file type validation in the stm_lms_add_assignment_attachment function in all versions up to, and including, 4.7.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.","status":"published","published":"2025-05-28T05:24:21.802Z","modified":"2026-04-08T17:19:53.84Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:32:48.167635Z"}],"euvd":[{"id":"EUVD-2025-16317","description":"The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a missing file type validation in the stm_lms_add_assignment_attachment function in all versions up to, and including, 4.7.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.","status":"published","published":"2025-05-28T05:24:21Z","modified":"2026-04-08T17:19:53Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:41.936339Z"}],"ghsa":[{"id":"GHSA-6mvv-hjmg-x9rf","title":"The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a...","description":"The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a missing file type validation in the stm_lms_add_assignment_attachment function in all versions up to, and including, 4.7.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.","status":"published","published":"2025-05-28T06:31:16Z","modified":"2025-05-28T06:31:23Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:02:27.916753Z"}],"nvd":[{"id":"CVE-2025-4800","description":"The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a missing file type validation in the stm_lms_add_assignment_attachment function in all versions up to, and including, 4.7.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible.","status":"published","published":"2025-05-28T06:15:22Z","modified":"2026-06-17T09:34:02.527Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:11:10.143444Z"}]}}