# CVE-2026-15302

## Summary

- **CVE ID:** CVE-2026-15302
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
- **CWE:** CWE-36
- **Published:** Jul 10, 2026
- **Last Modified:** Jul 14, 2026

## 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

- reputeinfosystems — ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup (0)

## References

- [CNA](https://www.wordfence.com/threat-intel/vulnerabilities/id/2c8734f5-4d23-454d-bf00-6e9d36982098?source=cve)
- [CNA](https://plugins.trac.wordpress.org/changeset/3062692/armember-membership/trunk/core/classes/class.arm_members_activity.php)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.72%
- **EPSS Percentile:** 51.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._