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CVE-2026-0688
6.4 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Changed (C)
- Confidentiality (C): Low (L)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): Low (L)
- Modified Scope (MS): Changed (C)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
Webmention <= 5.6.2 - Authenticated (Subscriber+) 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 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.
References
Affected products
Webmention
- =<5.6.2
Matching in nixpkgs
pkgs.rubyPackages.webmention
None
pkgs.rubyPackages_3_1.webmention
None
pkgs.rubyPackages_3_2.webmention
None
pkgs.rubyPackages_3_3.webmention
None
pkgs.rubyPackages_3_4.webmention
None
pkgs.rubyPackages_4_0.webmention
None
pkgs.rubyPackages.jekyll-webmention_io
None
pkgs.rubyPackages_3_1.jekyll-webmention_io
None
pkgs.rubyPackages_3_2.jekyll-webmention_io
None
pkgs.rubyPackages_3_3.jekyll-webmention_io
None
pkgs.rubyPackages_3_4.jekyll-webmention_io
None