PT-2026-53816 · Qlstudio · Export User Data

Webbernaut · Published 2026-06-30 · Updated 2026-06-30 · CVE-2026-12240

NVD

CVSS v3.1

8.0

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

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.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-12240

Affected Products

Export User Data

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-12240 · Security Note
• https://plugins.trac.wordpress.org/browser/export-user-data/tags/2.2.6/library/core/helper.php#L171 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/39f12ff1-63ee-4131-a708-49633f22ccd4?source=cve · Note