ExponentCMS <= 2.6 Host Header Injection Vulnerability CVE-2021-38751 Scanner

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ExponentCMS <= 2.6 Host Header Injection Vulnerability CVE-2021-38751 Scanner Detail

ExponentCMS <= 2.6 allows Host Header Injection vulnerability.

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM.

Some Advice for Common Problems

  • You need to apply related fixes.
  • Sanitize all parameters received as input from the user.

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