CVE-2025-13964 MEDIUM

CVE-2025-13964: LearnPress – WordPress LMS Plugin <= 4.3.2 - Missing Authentication to Unauthenticated Course Modification

Vendor Thimpress
Product LearnPress – WordPress LMS Plugin for Create and Sell Online Courses
Weakness CWE-862 · Missing authorization
Published January 6, 2026
Last update April 8, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

The LearnPress – WordPress LMS Plugin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the catch_lp_ajax function in all versions up to, and including, 4.3.2. This makes it possible for unauthenticated attackers to modify course contents by adding/removing/updating/re-ordering sections or modifying section items.

Explanation of Vulnerability in Simple Terms

02Summary

LearnPress versions up to 4.3.2 lack proper authorization checks, allowing unauthenticated attackers to modify course or user data via direct requests. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 4.3.2 to prevent unauthorized data tampering.

What an attacker can do

03Attacker Capabilities

Modify course content, user enrollments, or other plugin data without logging in.

Potential impact on your site

04Site Impact

Course content, student records, or plugin settings could be altered by anyone on the internet.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

January 6, 2026 CVE published
April 8, 2026 Record updated