CVE-2022-4237 Welcart e-Commerce < 2.8.6 - Subscriber+ PHAR Deserialisation
Authenticated subscribers can trigger PHAR deserialization via file uploads, potentially leading to remote code execution on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-4237?
CVE-2022-4237 is a high-severity unsafe deserialization vulnerability in Unknown Welcart e-Commerce, published on 2 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() 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
Which versions are affected by CVE-2022-4237?
It affects 1 product.
Products include Welcart Welcart E-Commerce.
How do I fix CVE-2022-4237?
No fix has been published for CVE-2022-4237 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2022-4237 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4237 exists.
Other vulnerabilities in Unknown Welcart e-Commerce
- CVE-2023-5952 Welcart e-Commerce < 2.9.5 - Unauthenticated PHP Object Injection
- CVE-2024-42404 SQL injection in Welcart e-Commerce
- CVE-2023-5953 Welcart e-Commerce < 2.9.5 - Subscriber+ Arbitrary File Upload
- CVE-2023-43610 SQL injection in Welcart e-Commerce
- CVE-2023-50847 WordPress Welcart e-Commerce Plugin <= 2.9.3 is vulnerable to SQL Injection
Sources
Also known as GHSA-x65c-cg4w-m3j6.