CVE-2021-38751 - A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php

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MEDIUM

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php

Published Aug 16, 2021

4.3

MEDIUM

CVSS 3.1

EPSS 2.47%

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

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-116

References (1)

https://github.com/exponentcms/exponent-cms/issues/1544
x_refsource_MISCExploitIssue TrackingThird Party Advisory

Link	Providers	Tags
https://github.com/exponentcms/exponent-cms/issues/1544		x_refsource_MISCExploitIssue TrackingThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Aug 16, 2021

Updated Aug 4, 2024

Reserved Aug 16, 2021

Link CVE-2021-38751

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2021-38751

Red Hat

Severity n/a

Public date n/a

Links CVE-2021-38751