What is CVE-2025-12018?

CVE-2025-12018 is a medium-severity vulnerability in Sourcefound Membershipworks – Membership, Events & Directory, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2025-11-12.

How severe is CVE-2025-12018?

Medium severity. CVSS v3 base score is 4.4 out of 10.

XSS in Sourcefound Membershipworks – Membership, Events & Directory

CVE-2025-12018

The MembershipWorks – Membership, Events & Directory plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 6.14 due to insufficient input sanitization and output escaping…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Sourcefound Membershipworks – Membership, Events & Directory — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-12018?: CVE-2025-12018 is a medium-severity vulnerability in Sourcefound Membershipworks – Membership, Events & Directory, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2025-11-12.
How severe is CVE-2025-12018?: Medium severity. CVSS v3 base score is 4.4 out of 10.