CVE-2022-4237: Welcart e-Commerce < 2.8.6 - Subscriber+ PHAR Deserialisation
The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in fileexist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog
Affected Software
Event History
Frequently Asked Questions
What is CVE-2022-4237?
CVE-2022-4237 is a vulnerability in the Welcart e-Commerce WordPress plugin before version 2.8.6.
How does CVE-2022-4237 affect the Welcart e-Commerce plugin?
CVE-2022-4237 allows authenticated users with as low as subscriber role to perform PHAR deserialization when they can upload a file.
What is the severity of CVE-2022-4237?
CVE-2022-4237 has a severity rating of 8.8 (high).
How can I fix CVE-2022-4237?
To fix CVE-2022-4237, update the Welcart e-Commerce plugin to version 2.8.6 or higher.
Where can I find more information about CVE-2022-4237?
You can find more information about CVE-2022-4237 at the following reference: [https://wpscan.com/vulnerability/7a4b790c-49ae-46bc-9544-e188deae243f](https://wpscan.com/vulnerability/7a4b790c-49ae-46bc-9544-e188deae243f)