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Vulnerability record · CVE-2026-18352 · published 2 August 2026

CVE-2026-18352: Path traversal vulnerability

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.

7.5 CVSS 3.1 High EPSS 1.0% · top 38.5% CWE-22 · Path traversal Deferred
7.5CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
12 Aug 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.14/src/Controller/BaseControllerTrait.php%3A22-5
https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.14/src/Controller/Frontend/RedirectController.ph
https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.14/src/File/FileHandler.php%3A79-124%2C270-294
https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.14/src/UserAccessManager.php%3A512-516
https://plugins.trac.wordpress.org/changeset/3628895/user-access-manager
https://www.wordfence.com/threat-intel/vulnerabilities/id/4e88efe0-ffad-4d66-bb03-3f3a9dcbe5b1?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-18352), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.