Advanced Custom Fields - Contributor+ PHP Object Injection
CVE-2023-1196

8.8HIGH

Key Information:

Vendor
Wordpress
Status
Advanced Custom Fields (acf)
Advanced Custom Fields (acf) Pro
Vendor
CVE Published:
2 May 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins prior to versions 6.1.0 and 5.12.5 are susceptible to PHP Object Injection due to the unserialization of user-controllable data. This vulnerability can be exploited by users with Contributor roles or higher, enabling them to execute arbitrary PHP code through the manipulated payload when a specific gadget is available in the environment.

Affected Version(s)

Advanced Custom Fields (ACF) 5.0.0 < 5.12.5

Advanced Custom Fields (ACF) 6.0.0 < 6.1.0

Advanced Custom Fields (ACF) Pro 5.0.0 < 5.12.5

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-2023-1196 - Proof of Concept

CVE-2023-1196 - Proof of Concept

References

https://wpscan.com/vulnerability/cf376ca2-92f6-44ff-929a-...
exploitvdb-entrytechnical-description
https://wpscan.com/vulnerability/8e5ec88e-0e66-44e4-bbf2-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Huu Do
WPScan
.