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CVE-2026-12240

HIGH 8.0 CVSS 3.1
Published
June 30, 2026
Last modified
June 30, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-502
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • qlstudio Export User Data — Up to and including 2.2.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/export-user-data/tags/2.2.6/library/core/helper.php#L171
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/39f12ff1-63ee-4131-a708-49633f22ccd4?source=cve
  • nvd.nist.gov Official NVD record