HIGH

CVE-2022-4237

CVSS v3

8.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2022-4237 yet.

Full record on NVD

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

Technical details

Published: 2023-01-02

Frequently asked questions

What is CVE-2022-4237?

Is CVE-2022-4237 actively exploited?

Active exploitation of CVE-2022-4237 has not been confirmed. Its EPSS score was 1.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-4237?

CVE-2022-4237 has a CVSS v3 base score of 8.8 (HIGH severity).

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