What is CVE-2022-4140?

CVE-2022-4140 is a high-severity vulnerability in Welcart E-Commerce, classified under CWE-552 FILES OR DIRECTORIES ACCESSIBLE TO EXTERNAL PARTIES. CVSS score: 7.5/10. Published 2023-01-02.

How severe is CVE-2022-4140?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-4140 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Welcart E-Commerce

CVE-2022-4140

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, which could allow unauthenticated attacker to read arbitrary files on the server

Published 2023-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.029 (86.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Welcart E-Commerce
Welcart E-Commerce — versions 0

Public proof-of-concept exploits

References

wpscan.com/vulnerability/0d649a7e-3334-48f7-abca-fff0856e12c7 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-4140?: CVE-2022-4140 is a high-severity vulnerability in Welcart E-Commerce, classified under CWE-552 FILES OR DIRECTORIES ACCESSIBLE TO EXTERNAL PARTIES. CVSS score: 7.5/10. Published 2023-01-02.
How severe is CVE-2022-4140?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-4140 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.