Unauthenticated PHP Object Injection in WP Zendesk and Other Forms by WordPress
CVE-2026-49105

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
WP Zendesk For Contact Form 7, WPforms, Elementor, Formidable And Ninja Forms
Vendor
CVE Published:
15 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-49105?

This vulnerability allows unauthenticated attackers to exploit PHP object injection flaws in the WP Zendesk for Contact Form 7 and other associated WordPress plugins such as WPForms, Elementor, Formidable, and Ninja Forms. Versions up to 1.1.4 are impacted, permitting malicious users to potentially manipulate application behavior and gain unauthorized access to sensitive data or system functions.

Affected Version(s)

WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms <= 1.1.4

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-2026-49105
Created by izxci

References

https://patchstack.com/database/wordpress/plugin/cf7-zend...
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
.