CVEvulnerability

CVE-2021-38751

4.3 MEDIUM Published 2021-08-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-116

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 configurations

• exponentcms exponentcms (< 2.6)

Related

Weakness · CWE (1)

  • CWE-116 Improper Encoding or Escaping of Output weakness

References