CVE-2026-4365

Critical

Description

The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the `delete_question_answer()` function in all versions up to, and including, 4.3.2.8. The plugin exposes a `wp_rest` nonce in public frontend HTML (`lpData`) to unauthenticated visitors, and uses that nonce as the only security gate for the `lp-load-ajax` AJAX dispatcher. The `delete_question_answer` action has no capability or ownership check. This makes it possible for unauthenticated attackers to delete any quiz answer option by sending a crafted POST request with a publicly available nonce.

SeverityCritical
CVSS9.1
Exploit probability59. percentile0.9%
ProductLearnPress – WordPress LMS Plugin for Create and Sell Online Courses
PublishedApr 14, 2026
First seenApr 14, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Coursesv ≤ 4.3.2.8—

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