CVE-2023-5558: Thimpress Learnpress

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The LearnPress WordPress plugin before 4.2.5.5 does not sanitise and escape user input before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Affected products

• Thimpress Learnpress: before 4.2.5.5 (fixed in 4.2.5.5)

Published 2024-01-16. Last modified 2026-06-17.