MembershipWorks <= 6.14 - Authenticated (Admin+) Stored Cross-Site Scripting
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| sourcefound | MembershipWorks – Membership, Events & Directory | up to 6.14 | — | No fix listed | CNA |
- MembershipWorks – Membership, Events & Directory Vendorsourcefound Affected up to 6.14 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12018
- 2026-10-03 Alias added: GHSA-wh66-69pc-r9r5
References
Other 6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7cd412d8-6d14-4803-aae6-087e02f9d75f?source=cve
- https://wordpress.org/plugins/memberfindme/
- https://github.com/zast-ai/vulnerability-reports/blob/main/wordpress/plugin/memberfindme/stored-xss.md
- https://plugins.trac.wordpress.org/browser/memberfindme/tags/6.14/memberfindme.php#L103
- https://plugins.trac.wordpress.org/browser/memberfindme/tags/6.14/memberfindme.php#L437
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3393026%40memberfindme&new=3393026%40memberfindme&sfp_email=&sfph_mail=
Sources
- CVE-2025-12018 · CVE Program
- CVE-2025-12018 · NVD
- FIRST EPSS
- GHSA-wh66-69pc-r9r5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences