Fix for CVE-2011-2732 in spring-projects/spring-security (project spring-projects__spring-security_CVE-2011-2732_2.0.6.RELEASE), commit a087e828a63edf0932e4eecf174cf816cbe6a58a
Fixed file: web/src/main/java/org/springframework/security/web/authentication/AbstractAuthenticationTargetUrlRequestHandler.java
Fixed class: AbstractAuthenticationTargetUrlRequestHandler (lines 47-179)
Fixed method: getTargetUrlParameter (lines 161-162)
Method signature: String getTargetUrlParameter()