Auth bypass in Uscnanbu Welcart E-Commerce

CVE-2021-4375

The Welcart e-Commerce plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the usces_download_system_information() function in versions up to, and including, 2.2.7. This makes it possible for authenticated attackers to download information including WordPress settings, plugin settings, PHP settings and server settings.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-4375: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-4375?
CVE-2021-4375 is a medium-severity vulnerability in Uscnanbu Welcart E-Commerce, classified under Missing Authorization. CVSS score: 4.3/10. Published 2023-06-07.
How severe is CVE-2021-4375?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-4375 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.