Vulnerability Description
The Klubraum Membership Request plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `kr_mr_store_settings()` function in all versions up to, and including, 1.1.0. This makes it possible for unauthenticated attackers to update the plugin's settings, including the Klubraum API token and introduction text, effectively hijacking the plugin's integration with the Klubraum service.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/klubraum-membership-request/tags/1.1.
- https://plugins.trac.wordpress.org/browser/klubraum-membership-request/tags/1.1.
- https://plugins.trac.wordpress.org/browser/klubraum-membership-request/trunk/adm
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new
- https://www.wordfence.com/threat-intel/vulnerabilities/id/09e158d2-f9a6-41a6-a91
FAQ
What is CVE-2026-4604?
CVE-2026-4604 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The Klubraum Membership Request plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `kr_mr_store_settings()` function in all versions up to...
How severe is CVE-2026-4604?
CVE-2026-4604 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4604?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.