Authorization Flaw in Click5 CRM Add-on for Contact Form 7 by WordPress
CVE-2026-84254

Currently unrated

Key Information:

Vendor

WordPress
Status
Click5 Crm Add-on To Contact Form 7
Vendor
CVE Published:
11 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-84254?

The Click5 CRM add-on for the Contact Form 7 WordPress plugin lacks adequate authorization and CSRF protections when updating settings via its REST endpoint. This vulnerability allows attackers without authentication to manipulate arbitrary options within the WordPress site. As a consequence, adversaries can escalate their privileges, potentially creating new administrator accounts and seizing full control over the website.

Affected Version(s)

click5 CRM add-on to Contact Form 7 0 <= 1.0.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-84254 - Proof of Concept

References

https://wpscan.com/vulnerability/1dbb03eb-97ba-4a0f-aeea-...
exploitvdb-entrytechnical-description

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Enrico Marcolini - Claudio Marchesini - Dottor Marc
WPScan
.