CVE-2020-26260 Server Side Request Forgery in BookStack

BookStack is a platform for storing and organising information and documentation. In BookStack before version 0.30.5, a user with permissions to edit a page could set certain image URL's to manipulate functionality in the exporting system, which would allow them to make server side requests and/o...

CVE-2020-26260

Summary: CVE-2020-26260 affects BookStack prior to v0.30.5. A user with page-edit permissions could set certain image URLs to manipulate the exporting system, enabling server-side requests and access to a wider scope of files within BookStack’s file storage. Root cause / impact (as stated): The v...