CVE Catalog

CVE-2026-15302

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.53%

41th percentile - higher than 41% of all known CVEs

Summary

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 allows unauthenticated attackers to upload and overwrite files (e.g., CSS) outside the 'wp-content/uploads/armember' directory.

Risk Assessment

The risk is that an unauthenticated attacker can remotely overwrite files, potentially leading to website defacement, malicious code injection, or privilege escalation.

Recommendation

Immediately update the ARMember plugin to the latest available version that fixes this vulnerability, and restrict file uploads to allowed directories only.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS