Path Traversal in Reputeinfosystems Armember – Membership Plugin, Content Restriction, Member Levels, User Profile & Signup

CVE-2026-15302

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-15302: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15302?
CVE-2026-15302 is a medium-severity vulnerability in Reputeinfosystems Armember – Membership Plugin, Content Restriction, Member Levels, User Profile & Signup, classified under Absolute Path Traversal. CVSS score: 5.3/10. Published 2026-07-10.
How severe is CVE-2026-15302?
Medium severity. CVSS v3 base score is 5.3 out of 10.