CVE-2022-3360: LearnPress < 4.1.7.2 - Unauthenticated PHP Object Injection via REST API

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-10-31 · updated 2026-06-17
Weakness: CWE-502

Description

The LearnPress WordPress plugin before 4.1.7.2 unserialises user input in a REST API endpoint available to unauthenticated users, which could lead to PHP Object Injection when a suitable gadget is present, leadint to remote code execution (RCE). To successfully exploit this vulnerability attackers must have knowledge of the site secrets, allowing them to generate a valid hash via the wp_hash() function.

Affected products

thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses: before 4.1.7.2 — fixed in 4.1.7.2

How to fix

Upgrade to a fixed version: thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.1.7.2. Check the vendor advisory for mitigations.

References

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