Unauthenticated PHP Object Injection in Integration for Keap/Infusionsoft and Popular WordPress Plugins
CVE-2026-49104

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Integration For Keap/infusionsoft And Contact Form 7, WPforms, Elementor, Formidable, Ninja Forms
Vendor
CVE Published:
15 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-49104?

The Integration for Keap/Infusionsoft and several popular WordPress plugins are susceptible to a PHP object injection vulnerability, which allows attackers to exploit the application by sending specially crafted requests. This issue affects versions of Contact Form 7, WPForms, Elementor, Formidable, and Ninja Forms up to version 1.2.1, posing a risk of unauthorized access and manipulation of the system. It is critical for users to update their plugins promptly to mitigate potential security threats.

Affected Version(s)

Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms <= 1.2.1

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-2026-49104-
Created by izxci

References

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

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Frissi0n | Patchstack Bug Bounty Program
.