Vulnerability Description
The Export User Data plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the unserialize function in all versions up to, and including, 2.2.6. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). Successful exploitation requires an administrator to trigger a user data export while a subscriber-level (or higher) user has stored a crafted serialized XLSXWriter object payload as their display name.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/export-user-data/tags/2.2.6/library/c
- https://www.wordfence.com/threat-intel/vulnerabilities/id/39f12ff1-63ee-4131-a70
FAQ
What is CVE-2026-12240?
CVE-2026-12240 is a vulnerability with a CVSS score of 8.0 (HIGH). The Export User Data plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the unserialize function in all versions up to, and including, 2.2.6. Thi...
How severe is CVE-2026-12240?
CVE-2026-12240 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-12240?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.