🔐 CVE Alert

CVE-2026-15302

MEDIUM 5.3

ARMember <= 4.0.27 - Directory Traversal via X-FILENAME

CVSS Score
5.3
EPSS Score
0.5%
EPSS Percentile
41th

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.

CWE CWE-36
Vendor reputeinfosystems
Product armember – membership plugin, content restriction, member levels, user profile & user signup
Published Jul 10, 2026
Last Updated Jul 14, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

reputeinfosystems / ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup
0 ≤ 4.0.27

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/2c8734f5-4d23-454d-bf00-6e9d36982098?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3062692/armember-membership/trunk/core/classes/class.arm_members_activity.php

Credits

Lucio Sá