### [CVE-2021-32792](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32792)
![](https://img.shields.io/static/v1?label=Product&message=mod_auth_openidc&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%202.4.9%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%3A%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brightgreen)

### Description

mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when using `OIDCPreservePost On`.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2022.html

#### Github
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/mimishak-um/Vulnerability-Scanner