Submit #799571: Ryan Cramer ( https://processwire.com/about/team/ryan/ ) ProcessWire CMS 3.0.255 SSRF ( Server-Side Request Forgery )info

TitleRyan Cramer ( https://processwire.com/about/team/ryan/ ) ProcessWire CMS 3.0.255 SSRF ( Server-Side Request Forgery )
DescriptionThe application allows administrators to fetch module ZIP files from arbitrary user-supplied URLs, resulting in a server-side request forgery (SSRF) condition. The server performs outbound requests to internal and external resources without proper validation or restriction. Additionally, verbose error messages disclose whether a target host or port is reachable, enabling internal network enumeration. This behavior can be abused to probe internal services and identify open ports from the server’s perspective.
Source⚠️ https://gist.github.com/thepiyushkumarshukla/7514e5eed526fd9d20fcfc42ce8d0a82
User
 thepiyushkumarshukla (UID 94321)
Submission04/08/2026 10:55 (18 days ago)
Moderation04/25/2026 19:50 (17 days later)
StatusDuplicate
VulDB entry357848 [ProcessWire CMS up to 3.0.255 Add Module module download server-side request forgery]
Points0

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