PHP Object Injection Vulnerability in Ultimate Addons for Contact Form 7
CVE-2026-96833

7.2HIGH

Key Information:

Vendor

WordPress
Status
Ultimate Addons For Contact Form 7
Vendor
CVE Published:
30 September 2026

What is CVE-2026-96833?

A PHP Object Injection vulnerability exists in the Ultimate Addons for Contact Form 7 plugin for WordPress versions up to 3.5.51. This vulnerability can potentially allow attackers to manipulate serialized PHP objects, resulting in unauthorized access and execution of arbitrary code. This could compromise the security of affected sites, making it imperative for users to update to the latest version or apply necessary patches.

Affected Version(s)

Ultimate Addons for Contact Form 7 <= 3.5.51

References

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

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.