CVE-2021-38751

EUVD-2021-25188
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
Affected Products (NVD)
VendorProductVersion
exponentcmsexponentcms
𝑥
< 2.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/exponentcms/exponent-cms/issues/1544
https://github.com/exponentcms/exponent-cms/issues/1544