# 4.5 Authorization Testing

4.5.1 [Testing Directory Traversal File Include](01-Testing_Directory_Traversal_File_Include.md)

4.5.2 [Testing for Bypassing Authorization Schema](02-Testing_for_Bypassing_Authorization_Schema.md)

4.5.3 [Testing for Privilege Escalation](03-Testing_for_Privilege_Escalation.md)

4.5.4 [Testing for Insecure Direct Object References](04-Testing_for_Insecure_Direct_Object_References.md)

4.5.5 [Testing for OAuth Weaknesses](05-Testing_for_OAuth_Weaknesses.md)

4.5.5.1 [Testing for OAuth Authorization Server Weaknesses](05.1-Testing_for_OAuth_Authorization_Server_Weaknesses.md)

4.5.5.2 [Testing for OAuth Client Weaknesses](05.2-Testing_for_OAuth_Client_Weaknesses.md)
