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Description

The WP Travel Pro plugin for WordPress is vulnerable to arbitrary user deletion via the /wp-json/wp-travel/v1/travel-guide/{user_id} REST API endpoint in all versions up to, and including, 10.6.0. This is due to the check_permission() callback unconditionally returning true and the Database::delete() method passing the user ID directly to wp_delete_user() without any role validation. This makes it possible for unauthenticated attackers to delete arbitrary user accounts, including those of administrators.

PUBLISHED Reserved 2026-03-16 | Published 2026-05-29 | Updated 2026-05-29 | Assigner Wordfence




CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-05-28:Disclosed

Credits

Ren Voza finder

References

www.wordfence.com/...-4c80-4e36-8dae-cb47c1500ea5?source=cve

wptravel.io/wp-travel-pro/

cve.org (CVE-2026-4290)

nvd.nist.gov (CVE-2026-4290)

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