VULNERABILITY INTELLIGENCE

CVE-2026-0686

CVSS score7.2 HIGH
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

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.

Weakness classification

  • CWE-918: Server-Side Request Forgery (SSRF)

Primary references