CVE-2022-4236: Welcart e-Commerce < 2.8.5 - Subscriber+ Arbitrary File Access

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-01-02 · updated 2026-06-17
Weakness: CWE-552

Description

The Welcart e-Commerce WordPress plugin before 2.8.5 does not validate user input before using it to output the content of a file via an AJAX action available to any authenticated users, which could allow users with a role as low as subscriber to read arbitrary files on the server.

Affected products

Welcart e-Commerce: before 2.8.5 — fixed in 2.8.5

How to fix

Upgrade to a fixed version: Welcart e-Commerce 2.8.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/436d8894-dab8-41ea-8ed0-a3338aded635
https://wpscan.com/vulnerability/436d8894-dab8-41ea-8ed0-a3338aded635

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