Welcart e-Commerce <= 2.9.4 - Unauthenticated PHP Object Injection

9.8
Deserialization of Untrusted Data
CVE CVE-2023-5952
CVSS 9.8 (Critical)
Publicly Published November 10, 2023
Last Updated January 22, 2024
Researcher Krzysztof Zając - CERT PL

Description

The Welcart e-Commerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.9.4 via deserialization of untrusted input from a cookie in this plugin. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

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Vulnerability Details for Welcart e-Commerce

Software Type Plugin
Software Slug usc-e-shop (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.9.5, or a newer patched version
Affected Version
  • <= 2.9.4
Patched Version
  • 2.9.5

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