CVE-2006-5734

### Impact Arbitrary local file inclusion via the `$lang` property, remotely exploitable if host application passes unfiltered user data into that property. The 3 CVEs listed are applications that used PHPMailer that were vulnerable to this problem. ### Patches It's not known exactly when this was fixed in the host applications, but it was fixed in PHPMailer 5.2.0. ### Workarounds Filter and validate user-supplied data before use. ### References https://nvd.nist.gov/vuln/detail/CVE-2006-5734 https://nvd.nist.gov/vuln/detail/CVE-2007-3215 https://nvd.nist.gov/vuln/detail/CVE-2007-2021 Example exploit: https://www.exploit-db.com/exploits/14893 ### For more information If you have any questions or comments about this advisory: * Open a private issue in [the PHPMailer project](https://github.com/PHPMailer/PHPMailer)