LearnPress <= 4.4.1 - Missing Authorization to Unauthenticated Sensitive Information Exposure via /lp/v1/users/check-answer and /start-quiz REST Endpoints
Affected versions: *-4.4.1
Vulnerability type: CWE-862 Missing Authorization
Affected software, patched versions and attribution
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.
LearnPress – WordPress LMS Plugin for Create and Sell Online Courses
Affected versions: *-4.4.1
Patched versions: 4.4.2
Researcher credit: 이성민
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- Published
- July 16, 2026
- CVSS
- 7.5