CVE-2026-0688
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.
Published:Apr 2, 2026
Last Modified:Apr 8, 2026
EPS:Apr 2, 2026
EPSS Score:0.0003
CVSS Score:6.4
Affected Products
Vendor
Product
Action
Vendor
Pfefferle
Product
Webmention
Pfefferle
Webmention
Vendor
Wordpress
Product
Wordpress
Wordpress
Wordpress
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
