Impact
Arbitrary additional email headers can be injected via crafted From or Sender headers.
Patches
Fixed in 2.2.1
Workarounds
Filter user-supplied values prior to using them in From or Sender properties.
References
https://nvd.nist.gov/vuln/detail/CVE-2012-0796
For more information
If you have any questions or comments about this advisory:
- Open a private issue in the PHPMailer project