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Description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object References (IDOR) in all versions up to, and including, 3.9.5. This is due to missing object-level authorization checks in the `course_list_bulk_action()`, `bulk_delete_course()`, and `update_course_status()` functions. This makes it possible for authenticated attackers, with Tutor Instructor-level access and above, to modify or delete arbitrary courses they do not own by manipulating course IDs in bulk action requests.

PUBLISHED Reserved 2026-01-23 | Published 2026-02-03 | Updated 2026-02-03 | Assigner Wordfence




HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Problem types

CWE-639 Authorization Bypass Through User-Controlled Key

Product status

Default status
unaffected

* (semver)
affected

Timeline

2026-01-23:Vendor Notified
2026-02-02:Disclosed

Credits

Athiwat Tiprasaharn finder

Tharadol Suksamran finder

References

www.wordfence.com/...-c050-41eb-8fce-461257420eb6?source=cve

plugins.trac.wordpress.org/.../3.9.5/classes/Course_List.php

plugins.trac.wordpress.org/.../3.9.5/classes/Course_List.php

plugins.trac.wordpress.org/.../3.9.5/classes/Course_List.php

plugins.trac.wordpress.org/...nk%2Fclasses%2FCourse_List.php

cve.org (CVE-2026-1375)

nvd.nist.gov (CVE-2026-1375)

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