### [CVE-2005-3420](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3420)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

usercp_register.php in phpBB 2.0.17 allows remote attackers to modify regular expressions and execute PHP code via the signature_bbcode_uid parameter, as demonstrated by injecting an "e" modifier into a preg_replace statement.

### POC

#### Reference
- http://marc.info/?l=bugtraq&m=113081113317600&w=2
- http://securityreason.com/securityalert/130

#### Github
No PoCs found on GitHub currently.