CVE-2016-8751 Apache Ranger admin users can store some arbitrary javascript code to be executed when normal users login and access policies

What is CVE-2016-8751?

CVE-2016-8751 is a medium-severity cross-site scripting vulnerability in Apache Ranger, published on 14 Jun 2017. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2016-8751?

2 open source packages ship an affected version, including org.apache.ranger:ranger. It affects 1 product.

Products include Apache Ranger.

How do I fix CVE-2016-8751?

Upgrade org.apache.ranger:ranger to 0.6.3 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2016-8751 being exploited?

There is no known exploitation of CVE-2016-8751 in the wild and no public exploit code.

Other vulnerabilities in Apache Ranger

• CVE-2026-28672 Apache Ranger: OS Command Injection via Username in UnixUserGroupBuilder Critical 9.8
• CVE-2026-32227 Apache Ranger: SQL Injection vulnerability in lookup functionality Critical 9.8
• CVE-2026-40920 Apache Ranger: Privilege Escalation via URL Parameter Critical 9.8
• CVE-2026-42537 Apache Ranger: Remote Code Execution via JDBC URL Injection Critical 9.8
• CVE-2026-44416 Apache Ranger: Remote Code Execution via Arbitrary Class Instantiation Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v7mf-qgxf-qmvf.