CVE-2021-4355 - CVE House

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Status published High CVE-2021-4355

Welcart e-Commerce < 2.2.8 - Missing Capabilities Check to Information Disclosure

7.5 CVSS

Vulnerability Description

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 versions up to, and including, 2.2.7. This makes it possible for unauthenticated attackers to download lists of members, products and orders.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Jerome Bruandet

References

More from uscnanbu

View All →

Welcart e-Commerce <= 2.11.20 - Authenticated (Editor+) Stored Cross-Site Scripting

Welcart e-Commerce <= 2.11.24 - Missing Authorization to Unauthenticated Information Exposure

Welcart e-Commerce <= 2.11.22 - Authenticated (Editor+) Stored Cross-Site Scripting via order_mail

Welcart e-Commerce <= 2.11.21 - Authenticated (Author+) SQL Injection via Cookie

Welcart e-Commerce <= 2.11.9 - Unauthenticated Stored Cross-Site Scripting via name Parameter

Affected Vendor

uscnanbu

View all reports →

Affected Software

Welcart e-Commerce

Vulnerable Versions:

0

Timeline

Official Publish: June 7th, 2023

Last Modified: April 8th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1531 Account Access Removal