ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup: Filesystem traversal
ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup is affected by filesystem traversal. The vulnerable path is reachable without authentication. A crafted path can escape the intended directory and reach files or directories elsewhere on the server. The published affected range is <= 4.0.27.
- Component
- ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
- Plugin slug
armember- Affected
- <= 4.0.27
- Safe version
> 4.0.27- Published
- Jul 10, 2026
- Weakness
- CWE-36 — Absolute Path Traversal
This CVE was published Jul 10, 2026 and is one of 9 known issues for this plugin.
Update, patch or deactivate.
Update ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup to a release after 4.0.27, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N