How severe is CVE-2026-3309?

Medium severity. CVSS v3 base score is 6.5 out of 10.

RCE in Properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Profile & Restrict Content – Profilepress

CVE-2026-3309

The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 4.16.11. Th…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Profile & Restrict Content – Profilepress — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

References

Frequently asked questions

What is CVE-2026-3309?: CVE-2026-3309 is a medium-severity vulnerability in Properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Profile & Restrict Content – Profilepress, classified under Code Injection. CVSS score: 6.5/10. Published 2026-04-04.
How severe is CVE-2026-3309?: Medium severity. CVSS v3 base score is 6.5 out of 10.