Welcart e-Commerce < 2.8.6 - Subscriber+ PHAR Deserialisation
CVE-2022-4237

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Welcart E-commerce
Vendor
CVE Published:
2 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4237?

The Welcart e-Commerce plugin for WordPress prior to version 2.8.6 contains an input validation flaw that allows authenticated users, even those with minimal permissions, to exploit AJAX actions that do not properly validate user input before executing file_exist() functions. This oversight can facilitate unauthorized PHAR deserialization if an attacker is able to upload a file and trigger the necessary conditions on a compromised blog.

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Affected Version(s)

Welcart e-Commerce 0 < 2.8.6

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-2022-4237 - Proof of Concept

References

https://wpscan.com/vulnerability/7a4b790c-49ae-46bc-9544-...
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

WPScan
WPScan
JSON
.