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

What is CVE-2023-1196?

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