Cross-Site Scripting Vulnerability in Contact Form 7 Plugin by WordPress
CVE-2026-65438

7.1HIGH

Key Information:

Vendor

WordPress
Status
Message Filter For Contact Form 7
Vendor
CVE Published:
27 July 2026

What is CVE-2026-65438?

The Message Filter for Contact Form 7 plugin is susceptible to an unauthenticated Cross-Site Scripting (XSS) vulnerability. This flaw allows attackers to inject malicious scripts into web pages viewed by unsuspecting users, leading to potential data exposure or session hijacking. The vulnerability affects all versions of the plugin up to 1.6.3.9, highlighting the importance of updating to secure versions and implementing proper input validation.

Affected Version(s)

Message Filter for Contact Form 7 <= 1.6.3.9

References

https://patchstack.com/database/wordpress/plugin/cf7-mess...
vdb-entry

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
.