CVE-2026-14310: CWE-639 Authorization Bypass Through User-Controlled Key in Tutor LMS
The Tutor LMS WordPress plugin before 4.0.0 does not properly verify that a user has access to the course a Q&A thread belongs to before returning or writing to that thread, allowing authenticated users with subscriber-level access and above who can access any single course to read the Q&A threads of other courses and to inject replies into them.
AI Analysis
Technical Summary
CVE-2026-14310 is an authorization bypass vulnerability in the Tutor LMS WordPress plugin prior to version 4.0.0. The plugin fails to verify that a user has access rights to the course associated with a Q&A thread before returning or modifying that thread. As a result, authenticated users with subscriber-level access or above who have access to at least one course can read Q&A threads from other courses and inject replies into them, violating course content isolation.
Potential Impact
Unauthorized disclosure and modification of Q&A threads across different courses within Tutor LMS. This could lead to exposure of potentially sensitive course discussions and unauthorized content injection, undermining the integrity and confidentiality of course communications.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict subscriber-level access carefully and monitor for suspicious activity related to Q&A threads. Avoid granting unnecessary course access to users.
CVE-2026-14310: CWE-639 Authorization Bypass Through User-Controlled Key in Tutor LMS
Description
The Tutor LMS WordPress plugin before 4.0.0 does not properly verify that a user has access to the course a Q&A thread belongs to before returning or writing to that thread, allowing authenticated users with subscriber-level access and above who can access any single course to read the Q&A threads of other courses and to inject replies into them.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-14310 is an authorization bypass vulnerability in the Tutor LMS WordPress plugin prior to version 4.0.0. The plugin fails to verify that a user has access rights to the course associated with a Q&A thread before returning or modifying that thread. As a result, authenticated users with subscriber-level access or above who have access to at least one course can read Q&A threads from other courses and inject replies into them, violating course content isolation.
Potential Impact
Unauthorized disclosure and modification of Q&A threads across different courses within Tutor LMS. This could lead to exposure of potentially sensitive course discussions and unauthorized content injection, undermining the integrity and confidentiality of course communications.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict subscriber-level access carefully and monitor for suspicious activity related to Q&A threads. Avoid granting unnecessary course access to users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-01T11:33:46.076Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6aee099c2644c7f8a7ef67
Added to database: 07/30/2026, 06:24:09 UTC
Last enriched: 07/30/2026, 06:53:55 UTC
Last updated: 07/31/2026, 02:51:54 UTC
Views: 6
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