CVE-2026-15302 MEDIUM

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

Vendor Reputeinfosystems
Product ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
Weakness CWE-36
Published July 10, 2026
Last update July 10, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

ARMember versions up to 4.0.27 contain a path traversal vulnerability that allows unauthenticated attackers to modify files on the site through network requests. No user interaction is required. The vulnerability affects the plugin's file handling logic and can result in unauthorized changes to site content or configuration.

What an attacker can do

03Attacker Capabilities

Modify files on the site without authentication.

Potential impact on your site

04Site Impact

Attackers can alter site files, potentially compromising content, configuration, or functionality without your knowledge.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

July 10, 2026 CVE published

Related vulnerabilities

08Related CVE