CVE-2026-49105
Deferred Deferred - Pending Action
Unauthenticated PHP Object Injection in WP Zendesk for Contact Form 7

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description
Unauthenticated PHP Object Injection in WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms <= 1.1.4 versions.
CVSS Scores
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Meta Information
Published
2026-06-15
Last Modified
2026-06-15
Generated
2026-06-16
AI Q&A
2026-06-16
EPSS Evaluated
N/A
NVD
CVE-2026-49105
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
wp_zendesk contact_form_7 to 1.1.4 (inc)
wpforms wpforms to 1.1.4 (inc)
elementor elementor to 1.1.4 (inc)
formidable formidable to 1.1.4 (inc)
ninja_forms ninja_forms to 1.1.4 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

This vulnerability is an unauthenticated PHP Object Injection affecting the WP Zendesk plugin for several WordPress form plugins including Contact Form 7, WPForms, Elementor, Formidable, and Ninja Forms, in versions up to 1.1.4.

PHP Object Injection occurs when untrusted user input is unserialized, allowing an attacker to inject malicious objects that can lead to various attacks such as remote code execution or data manipulation.

Impact Analysis

This vulnerability has a very high severity with a CVSS score of 9.8, indicating it can have a critical impact.

  • Since it is unauthenticated, attackers do not need valid credentials to exploit it.
  • Potential impacts include full compromise of the affected WordPress site, including confidentiality, integrity, and availability.
  • Attackers could execute arbitrary code, manipulate data, or disrupt services.
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