CVE-2023-5953: Welcart e-Commerce < 2.9.5 - Subscriber+ Arbitrary File Upload

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-04 · updated 2026-06-17
Weakness: CWE-434

Description

The Welcart e-Commerce WordPress plugin before 2.9.5 does not validate files to be uploaded, as well as does not have authorisation and CSRF in an AJAX action handling such upload. As a result, any authenticated users, such as subscriber could upload arbitrary files, such as PHP on the server

Affected products

Welcart e-Commerce: before 2.9.5 — fixed in 2.9.5

How to fix

Upgrade to a fixed version: Welcart e-Commerce 2.9.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/6d29ba12-f14a-4cee-baae-a6049d83bce6
https://wpscan.com/vulnerability/6d29ba12-f14a-4cee-baae-a6049d83bce6

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