CVE-2026-0686
Webmention <= 5.6.2 - Unauthenticated Blind Server-Side Request Forgery
Summary
Webmention <= 5.6.2 - Unauthenticated Blind Server-Side Request Forgery
Original description
The description as published by the source.
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.
References
- advisory github.com
- advisory nvd.nist.gov
- web github.com
- web plugins.trac.wordpress.org
- web plugins.trac.wordpress.org
- web plugins.trac.wordpress.org
- web wordfence.com