Vulnerability · Published Jul 17, 2026 · Assigned by Wordfence
CVE-2026-13765LearnPress <= 4.4.1 - Missing Authorization to Unauthenticated Sensitive Information Exposure via /lp/v1/users/check-answer and /start-quiz REST Endpoints
High 7.5
In plain English
A high-severity missing authorization in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses from thimpress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Official description
The LearnPress – WordPress LMS Plugin for Create and Sell Online Courses plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.4.1 via the check_answer. This makes it possible for unauthenticated attackers to extract the correct-answer markers, full option lists, explanations, and question content for any quiz question on the site — including questions belonging to paid courses the attacker is not enrolled in.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| thimpress | LearnPress – WordPress LMS Plugin for Create and Sell Online Courses | 0 – through 4.4.1 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ee3bbf20-43fd-4977-b0ba-b81e7a3810d0?source=cve
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.1/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L434
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.1/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L80
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.1/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L54
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.1/inc/course/class-lp-course-no-required-enroll.php#L145
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.1/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L181
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.4.1/inc/lp-template-functions.php#L1422
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.6/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L434
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.6/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L80
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.6/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L54
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.6/inc/course/class-lp-course-no-required-enroll.php#L145
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.6/inc/rest-api/v1/frontend/class-lp-rest-users-controller.php#L181
- https://plugins.trac.wordpress.org/browser/learnpress/tags/4.3.6/inc/lp-template-functions.php#L1422
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3603546%40learnpress&new=3603546%40learnpress