Tutor LMS <= 4.2.0 - Authenticated (Subscriber+) Insecure Direct Object Reference to Comment Modification and Deletion via Q&A and Review Handlers
- ID
- WPSEC-2026-2832
- Plugin
- Tutor LMS – eLearning and online course solution (tutor)
- Affected
- all versions before 4.2.1
- Remediation
- Update to 4.2.1 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weakness
- CWE-639
- Usage
- Plugin Medium · Affected versions Medium among sites WPSec scans, 2026-11-10
- Attack surface
- Tutor LMS on WPSec AttackSurface
- Fix released
- Published
Description
The Tutor LMS plugin for WordPress is vulnerable to Insecure Direct Object Reference via the 'question_id' and 'review_id' parameters of the Q&A update, Q&A delete and review delete AJAX actions in all versions up to, and including, 4.2.0. This is due to the ownership check matching any comment written by the user without checking that it is a Q&A entry or a course review, and the Q&A delete routine also removing every child comment of the targeted comment. This makes it possible for authenticated attackers with subscriber-level access to edit their own approved comments anywhere on the site without moderation, and to delete their own comments together with replies written by other users.
References
- https://wpsec.com/vuln/WPSEC-2026-2832/
- https://plugins.svn.wordpress.org/tutor/tags/4.2.1/
- https://wordpress.org/plugins/tutor/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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