Custom Field Template < 2.5.8 - Admin+ PHP Object Injection
CVE-2022-4324

7.2HIGH

Key Information:

Vendor

Wordpress
Status
Custom Field Template
Vendor
CVE Published:
2 January 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 12%

What is CVE-2022-4324?

The Custom Field Template WordPress plugin prior to version 2.5.8 contains a vulnerability that allows for the unserialization of content from imported files. This flaw could be exploited by a user with elevated privileges who imports a malicious Customizer Styling file. If successful, it could lead to PHP object injection attacks, compromising the integrity and security of the WordPress site when a suitable gadget chain is present.

Affected Version(s)

Custom Field Template 0 < 2.5.8

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-2022-4324 - Proof of Concept

References

https://wpscan.com/vulnerability/70c39236-f7ae-49bf-a2f0-...
exploitvdb-entrytechnical-description

EPSS Score

12% chance of being exploited in the next 30 days.

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

thinhnguyen1337
WPScan
.