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.
| Vendor | Product | Versions |
|---|---|---|
| pfefferle | webmention | 0 |
Updated severity to CRITICAL and marked the vulnerability as actively exploited.
Initial creation
