What is CVE-2021-4355?

CVE-2021-4355 is a high-severity vulnerability in Uscnanbu Welcart E-commerce, classified under Missing Authorization. CVSS score: 7.5/10. Published 2023-06-07.

How severe is CVE-2021-4355?

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

Is CVE-2021-4355 known to be exploited?

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

Auth bypass in Uscnanbu Welcart E-commerce

CVE-2021-4355

The Welcart e-Commerce plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the download_orderdetail_list(), change_orderlist(), and download_member_list() functions called via admin_init hooks in…

Vulnerability class: Broken Access Control

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

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.

Affected products

Uscnanbu Welcart E-commerce — versions 0
Welcart Welcart_e-commerce

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Exploit)

Frequently asked questions

What is CVE-2021-4355?: CVE-2021-4355 is a high-severity vulnerability in Uscnanbu Welcart E-commerce, classified under Missing Authorization. CVSS score: 7.5/10. Published 2023-06-07.
How severe is CVE-2021-4355?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-4355 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.