CVE-2026-15302

Description

The ARMember plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.0.27 via the 'X-FILENAME' HTTP header. This makes it possible for unauthenticated attackers to upload and overwrite certain files (e.g., CSS) to directories outside the 'wp-content/uploads/armember' directory.

CVSS Vector

References

• https://plugins.trac.wordpress.org/changeset/3062692/armember-membership/trunk/core/classes/class.arm_members_activity.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/2c8734f5-4d23-454d-bf00-6e9d36982098?source=cve