CVE-2026-1787 MEDIUM

CVE-2026-1787: LearnPress Export Import <= 4.1.0 - Missing Authentication to Unauthenticated Migrated Course Deletion

Vendor Thimpress
Product LearnPress – Backup & Migration Tool
Weakness CWE-862 · Missing authorization
Published February 21, 2026
Last update April 8, 2026

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The LearnPress Export Import – WordPress extension for LearnPress plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the 'delete_migrated_data' function in all versions up to, and including, 4.1.0. This makes it possible for unauthenticated attackers to delete course that have been migrated from Tutor LMS. The Tutor LMS plugin must be installed and activated in order to exploit the vulnerability.

Explanation of Vulnerability in Simple Terms

02Summary

The LearnPress – Backup & Migration Tool plugin for WordPress versions 4.1.0 and earlier lacks proper authorization checks on certain functions. An attacker without authentication can modify site data through network requests, though the attack requires specific conditions to succeed. This affects the integrity and availability of backups and migrations.

What an attacker can do

03Attacker Capabilities

Modify or disrupt backup and migration data without logging in.

Potential impact on your site

04Site Impact

Backups or migrations could be corrupted or disrupted by unauthenticated attackers.

Conditions required to exploit

05Prerequisites

Network access; attack requires specific timing or conditions (high complexity).

Key dates

06Disclosure timeline

February 21, 2026 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE