Medium severity4.3NVD Advisory· Published Aug 16, 2021· Updated Jun 17, 2026
CVE-2021-38751
CVE-2021-38751
Description
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.
Affected products
3- ExponentCMS/ExponentCMSdescription
- Range: <=2.6
Patches
Vulnerability mechanics
References
1- github.com/exponentcms/exponent-cms/issues/1544nvdExploitIssue TrackingThird Party Advisory
News mentions
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