Burp Scanner is a tool for automatically finding security vulnerabilities in web applications. It is designed to support penetration testers and fits closely into Burp's user-driven testing workflow.
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This release adds a new Scanner check for path-relative style sheet import (PRSSI) vulnerabilities.
These issues are not widely understood by security testers or application developers, and real vulnerabilities are quite prevalent in the wild. The impact of the vulnerability is in many cases serious, and equivalent to cross-site scripting (XSS).