CVE-2026-0686 — Webmention <= 5.6.2 - Unauthenticated Blind Server-Side Request Forgery
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 'Rec…
Published: 2026-04-02 · CVSS: 7.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7