Auth bypass in Thimpress Learnpress – Backup & Migration Tool

CVE-2026-1787

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.

Vulnerability class: Broken Access Control

EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1787?
CVE-2026-1787 is a medium-severity vulnerability in Thimpress Learnpress – Backup & Migration Tool, classified under Missing Authorization. CVSS score: 4.8/10. Published 2026-02-21.
How severe is CVE-2026-1787?
Medium severity. CVSS v3 base score is 4.8 out of 10.