Reflected XSS in Message Filter for Contact Form 7 by Kofi Mokome
CVE-2026-57423

7.1HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
13 July 2026

What is CVE-2026-57423?

The Message Filter for Contact Form 7 plugin, developed by Kofi Mokome, is susceptible to a reflected cross-site scripting (XSS) vulnerability. This flaw arises from improper neutralization of input data during the web page generation process, allowing attackers to inject malicious scripts that may be executed in the context of a user's session. This vulnerability affects versions of the plugin up to and including 1.6.3.8, potentially exposing users to security risks if not addressed.

Affected Version(s)

Message Filter for Contact Form 7 0 <= 1.6.3.8

References

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

dutafi | Patchstack Bug Bounty Program
.