Impact

Shell command injection, remotely exploitable if host application does not filter user data appropriately.

Patches

Fixed in 1.7.4

Workarounds

Filter and validate user-supplied data before putting in the into the Sender property.

References

https://nvd.nist.gov/vuln/detail/CVE-2007-3215

For more information

If you have any questions or comments about this advisory:

• Open a private issue in the PHPMailer project