Unauthenticated Deserialization Vulnerability in Youzify Plugin for WordPress
CVE-2026-73397

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Youzify
Vendor
CVE Published:
18 August 2026

What is CVE-2026-73397?

The Youzify plugin for WordPress is susceptible to an unauthenticated deserialization of untrusted data, which affects versions up to 1.3.7. This vulnerability can allow attackers to exploit the deserialization process, potentially leading to unauthorized access and other malicious actions within the WordPress site.

Affected Version(s)

Youzify <= 1.3.7

References

https://patchstack.com/database/wordpress/plugin/youzify/...
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

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Thaleikis | Patchstack Bug Bounty Program
.