CVE-2026-13765
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk31th percentile - higher than 31% of all known CVEs
Summary
The LearnPress WordPress LMS plugin up to version 4.4.1 is vulnerable to sensitive information exposure via the check_answer function. Unauthenticated attackers can extract correct answer markers, full option lists, explanations, and question content for any quiz question, including those from paid courses the attacker is not enrolled in.
Risk Assessment
The organization risks exposure of educational content and quiz answers, potentially leading to cheating, loss of value for paid courses, and breach of user trust.
Recommendation
Immediately update the LearnPress plugin to the latest available version that fixes this vulnerability. If an update is not possible, temporarily disable the check_answer function or restrict access to it.
Other vulnerabilities in LearnPress
See all- CVE-2026-75982Medium
The LearnPress plugin for WordPress is vulnerable to unauthorized modification of arbitrary WordPress options in versions up to and including 4.4.4 via the learnpress_create_page AJAX action. Attackers with Editor-level access can update arbitrary options, such as users_can_register or active_plugins, potentially enabling public registration or breaking the site.
- CVE-2026-12976Medium
The LearnPress WordPress plugin before version 4.4.4 does not verify that a user is enrolled in a course before processing AI-assistant requests against that course's lesson content, allowing any authenticated user such as a subscriber to obtain material from paid courses they have not enrolled in.
- CVE-2026-12970High
The LearnPress WordPress plugin before version 4.4.1 does not escape a search parameter before reflecting it into an HTML attribute, leading to Reflected Cross-Site Scripting (XSS). An attacker can exploit this vulnerability to execute a malicious script in the browser of a logged-in instructor or administrator who is tricked into opening a crafted link.
- CVE-2026-12732Medium
The LearnPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class_wrapper_form' shortcode attribute in versions up to and including 4.4.0. Authenticated attackers with contributor-level access or higher can inject arbitrary scripts that execute when users visit the affected page.
- CVE-2026-11988Medium
The LearnPress WordPress LMS plugin up to version 4.3.9.1 is vulnerable to Insecure Direct Object Reference (IDOR) via the 'userId' parameter. An authenticated attacker with subscriber-level access or higher can view course enrollment progress and completion data belonging to instructors and administrators.
- CVE-2026-8502Medium
The LearnPress plugin for WordPress up to version 4.3.6 exposes sensitive data via the 'return_type' parameter. An unauthenticated attacker can extract passwords for protected courses and content, author, and name of unpublished posts.
- CVE-2026-48865High
LearnPress WordPress plugin is vulnerable to Reflected XSS due to improper input neutralization during page generation. Affects versions up to 4.3.6.
- CVE-2026-4333Medium
The LearnPress – WordPress LMS Plugin is vulnerable to Stored Cross-Site Scripting via the 'skin' attribute of the learn_press_courses shortcode in all versions up to and including 4.3.3. Insufficient input sanitization and output escaping on the 'skin' attribute allows authenticated attackers (Contributor-level and above) to inject arbitrary web scripts.
Original NVD description (English source)
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.