Vulnerability Description
The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 via the 'Tools::read' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/pfefferle/wordpress-webmention/blob/057223cee18a9e93b017d0f21
- https://plugins.trac.wordpress.org/browser/webmention/tags/5.6.2/includes/class-
- https://plugins.trac.wordpress.org/changeset/3494831/webmention
- https://www.wordfence.com/threat-intel/vulnerabilities/id/02c9beba-dfa5-4a30-835
FAQ
What is CVE-2026-0688?
CVE-2026-0688 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 via the 'Tools::read' function. This makes it possible for authenticated at...
How severe is CVE-2026-0688?
CVE-2026-0688 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0688?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.