Description

In Apache Tomcat 10.1.0-M1 to 10.1.0-M16, 10.0.0-M1 to 10.0.22, 9.0.30 to 9.0.64 and 8.5.50 to 8.5.81 the Form authentication example in the examples web application displayed user provided data without filtering, exposing a XSS vulnerability.

Mitigation

We recommend upgrading to a version of this component that is not vulnerable to this specific issue.

Note: If this component is included as a bundled/transitive dependency of another component, there may not be an upgrade path. In this instance, we recommend contacting the maintainers who included the vulnerable package. Alternatively, we recommend investigating alternative components or a potential mitigating control.

Related links:

• http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-34305

• https://lists.apache.org/thread/k04zk0nq6w57m72w5gb0r6z9ryhmvr4k

• https://tomcat.apache.org/security-10.html

• https://tomcat.apache.org/security-8.html

• https://tomcat.apache.org/security-9.html