Welcart
CVE-2021-4375
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.08%. |
| Exploit ScenarioDerived | A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application. |
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Alert meAnalysisAI
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. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. 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. Affected products include: Welcart Welcart E-Commerce.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
The Welcart e-Commerce WordPress plugin before 2.9.5 unserializes user input from cookies, which could allow unautehtnia
Unauth. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low
The Welcart e-Commerce WordPress plugin before 2.9.5 does not validate files to be uploaded, as well as does not have au
The usc-e-shop (aka Collne Welcart e-Commerce) plugin before 1.9.36 for WordPress allows Object Injection because of usc
The Welcart e-Commerce plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on th
Multiple SQL injection vulnerabilities in the Welcart e-Commerce plugin 1.3.12 for WordPress allow remote attackers to e
The Welcart e-Commerce WordPress plugin before 2.8.4 does not have authorisation and CSRF in an AJAX action, allowing an
The Welcart e-Commerce WordPress plugin before 2.9.5 does not sanitise and escape a parameter before outputting it back
The Welcart e-Commerce WordPress plugin before 2.8.4 does not sanitise and escape some parameters, which could allow any
Welcart e-Commerce 2.11.6 and earlier versions contains an untrusted data deserialization vulnerability. Rated high seve
SQL injection vulnerability in Welcart e-Commerce prior to 2.11.2 allows an attacker who can login to the product to obt
SQL injection vulnerability in Order Data Edit page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with edit
GitHub PoC
Exploit-DB