High severity7.2NVD Advisory· Published Apr 2, 2026· Updated Apr 27, 2026
CVE-2026-0686
CVE-2026-0686
Description
The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 in the 'MF2::parse_authorpage' function via the 'Receiver::post' function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- github.com/pfefferle/wordpress-webmention/blob/057223cee18a9e93b017d0f21db6ea77a7686489/includes/handler/class-mf2.phpnvd
- plugins.trac.wordpress.org/browser/webmention/tags/5.6.2/includes/class-receiver.phpnvd
- plugins.trac.wordpress.org/browser/webmention/tags/5.6.2/includes/handler/class-mf2.phpnvd
- plugins.trac.wordpress.org/changeset/3494831/webmentionnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/08d15c46-d15f-4803-80be-90bf33335c18nvd
News mentions
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