Cross Site Scripting Vulnerability in Ultimate Addons for Contact Form 7 by WordPress
CVE-2026-65439

7.1HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
27 July 2026

What is CVE-2026-65439?

A security flaw has been identified in the Ultimate Addons for Contact Form 7 plugin for WordPress versions up to 3.5.45. This vulnerability allows attackers to exploit unauthenticated cross-site scripting (XSS), potentially enabling them to inject malicious scripts into web pages viewed by users. Such attacks can lead to unauthorized actions being performed in the context of the user's session, making it crucial for site administrators to update their plugins to protect against potential exploitation.

Affected Version(s)

Ultimate Addons for Contact Form 7 <= 3.5.45

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

Nguyen Ba Khanh | Patchstack Bug Bounty Program
.