CVE-2024-4277: Thimpress Learnpress

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The LearnPress – WordPress LMS Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘layout_html’ parameter in all versions up to, and including, 4.2.6.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

  • Thimpress Learnpress: before 4.2.6.6 (fixed in 4.2.6.6)

Published 2024-05-14. Last modified 2026-06-17.