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.
| Software Type | Plugin |
|---|---|
| Software Slug |
webmention
View on wordpress.org
|
| CVE | CVE-2026-0688 |
| Patched Versions |
5.7.0
|
| Affected Versions |
*-5.6.2
|
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