Unauthenticated PHP Object Injection in Nifty Theme by Nifty
CVE-2026-27429

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Nifty
Vendor
CVE Published:
16 June 2026

What is CVE-2026-27429?

The Nifty Theme for WordPress versions up to 1.4.1 contains a security vulnerability that allows for unauthenticated PHP Object Injection. This flaw could enable attackers to exploit application vulnerabilities by manipulating requests, leading to unauthorized actions being executed on the server. It is crucial for users of the affected versions to apply the latest patches to mitigate the risk of being compromised.

Affected Version(s)

Nifty <= 1.4.1

References

https://patchstack.com/database/wordpress/theme/nifty/vul...
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

Bonds | Patchstack Bug Bounty Program
.