Vulnerability · Published Jul 10, 2026 · Assigned by Wordfence

CVE-2026-15302ARMember <= 4.0.27 - Directory Traversal via X-FILENAME

Medium 5.3

In plain English

A medium-severity security flaw in ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup from reputeinfosystems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 46.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Weakness: CWE-36 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References