Apache Ranger before 0.6.3 is vulnerable to a Stored Cross-Site Scripting in when entering custom policy conditions. Admin users can store some arbitrary javascript code to be executed when normal users login and access policies.
https://github.com/advisories/GHSA-v7mf-qgxf-qmvf
https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger