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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
  • Exponent/Exponentcms3 versions
    cpe:2.3:a:exponentcms:exponentcms:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:exponentcms:exponentcms:*:*:*:*:*:*:*:*range: <2.6
    • (no CPE)
    • (no CPE)range: <=2.6

Patches

Vulnerability mechanics

References

1

News mentions

0

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