Vulnerability Description
The Subscribe To Comments Reloaded plugin for WordPress is vulnerable to unauthorized modification of data due to a leaked secret key and usage of a weak hash generation algorithm in all versions up to, and including, 240119. This makes it possible for unauthenticated attackers to extract the global key from any public post page, forge authorization keys and manage comment subscription preferences for arbitrary users
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/2
- https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/2
- https://plugins.trac.wordpress.org/browser/subscribe-to-comments-reloaded/tags/2
- https://www.wordfence.com/threat-intel/vulnerabilities/id/91f9235e-f578-475f-92c
FAQ
What is CVE-2026-4409?
CVE-2026-4409 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The Subscribe To Comments Reloaded plugin for WordPress is vulnerable to unauthorized modification of data due to a leaked secret key and usage of a weak hash generation algorithm in all versions up t...
How severe is CVE-2026-4409?
CVE-2026-4409 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4409?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.