CVE-2026-18352

User Access Manager <= 2.3.15 - Unauthenticated Arbitrary File Read via 'uamgetfile' Parameter

2026-08-01 11:07
Supakiad S. (m3ez)

Strategic Overview

Status
Patched in 2.3.16
Affected PluginUser Access Manager
Affected Version<= 2.3.15
CVSS7.5High
CVECVE-2026-18352
View all User Access Manager vulnerabilities

Vulnerability Overview

The User Access Manager plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.3.15 via the 'uamgetfile' parameter parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. This is possible because when attachment_url_to_postid() returns 0 for a traversal path, the plugin falls back to the global post set by a valid ?attachment_id parameter supplied by the attacker, causing the access check to pass against a legitimate public attachment while the file streamed is the attacker-chosen path.

Technical Analysis

REMEDIATION: Update to version 2.3.16, or a newer patched version --- IDENTIFIER: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

External References

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CVE-2026-18352: User Access Manager <= 2.3.15 - Unauthenticated Arbitrary File Read via 'uamgetfile' Parameter