Simple Machines Forum (SMF) X-Forwarded-For HTTP header IP spoofing

smf-xforward-ip-spoofing (27082) The risk level is classified as MediumMedium Risk


Simple Machines Forum (SMF) could allow a remote attacker to spoof any IP address caused by improper validation in the X-Forwarded-For HTTP header. A remote attacker could forge the IP address in the X-Forwarded-For HTTP header to attempt to hide their own IP address, bypass a ban for their actual IP address, or assume another user's IP address.


Bypass Security


No remedy available as of September 1, 2014.


Platforms Affected:

  • Simple Machines Simple Machines Forum 1.0.7 and prior
  • Simple Machines Simple Machines Forum 1.1rc2 and prior


Jun 01, 2006

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