Missing authorization in LearnPress legacy editor AJAX handlers
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
LearnPress before 4.4.10 contains a missing authorization flaw in the admin_course_editor, admin_quiz_editor and admin_question_editor lp-ajax actions, which lets instructors modify content owned by other instructors. An authenticated instructor can reuse their own generic editor nonce with another object's id to alter courses, change quiz answers and trash questions. This is CWE-639, an authorization bypass through a user-controlled key.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
LearnPress before 4.4.10 contains a missing authorization vulnerability in the admin_course_editor, admin_quiz_editor and admin_question_editor lp-ajax actions, allowing instructors to modify other instructors' content. Authenticated instructors can reuse their own generic editor nonce with another object's id parameter to alter courses, change quiz answers, and trash questions.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update LearnPress to version 4.4.10 or later, which fixes the flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA LearnPress (ThimPress) Fixed in 4.4.10
Timeline
- 2026-10-20 Threatist record created from CVE-2026-113353
- 2026-10-20 Alias added: GHSA-6wwj-xhh6-qcg8
- 2026-10-20 CISA SSVC decision points changed
References
More ThimPress vulnerabilities
- TI-2024-07900 LearnPress – WordPress LMS Plugin <= 4.2.7 - Unauthenticated SQL Injection via 'c_only_fields' CVSS 3.1CRITICAL 10.0
- TI-2023-06018 LearnPress <= 4.2.5.7 - Unauthenticated SQL Injection via order_by CVSS 3.1CRITICAL 9.8
- TI-2023-05199 WP Hotel Booking < 2.0.8 - Unauthenticated SQLi CVSS 3.1CRITICAL 9.8
- TI-2024-04124 LearnPress – WordPress LMS Plugin <= 4.2.6.5 - Unauthenticated Time-Based SQL Injection CVSS 3.1CRITICAL 9.8
- TI-2023-18355 WordPress LearnPress plugin <= 4.2.3 - Authenticated Broken Access Control vulnerability CVSS 3.1HIGH 8.8
- TI-2022-03105 LearnPress < 4.1.7.2 - Unauthenticated PHP Object Injection via REST API CVSS 3.1HIGH 8.1
Sources
- CVE-2026-113353 · CVE Program
- CVE-2026-113353 · NVD
- FIRST EPSS
- GHSA-6wwj-xhh6-qcg8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences