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. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (12.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/7cd412d8-6d14-4803-aae6-087e0…
- wordpress.org/plugins/memberfindme/
- github.com/zast-ai/vulnerability-reports/blob/main/wordpress/plugin/memberfindm…
- plugins.trac.wordpress.org/browser/memberfindme/tags/6.14/memberfindme.php
- plugins.trac.wordpress.org/browser/memberfindme/tags/6.14/memberfindme.php
- plugins.trac.wordpress.org/changeset
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.