Mstore Api
CVE-2023-3076
CRITICAL
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 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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 MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features. Affected products include: Inspireui Mstore Api. Version information: before 3.9.9.
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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)NVD
More in Mstore Api
View allThe MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. Rate
The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.1. Rate
The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up
The MStore API plugin for WordPress is vulnerable to Unauthenticated Blind SQL Injection via the 'id' parameter in versi
The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.1.5. Rate
The MStore API WordPress plugin before 3.9.8 does not sanitise and escape a parameter before using it in a SQL statement
WordPress MStore API 2.0.6 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to uplo
Authentication bypass in the MStore API WordPress plugin before 4.21.0 lets an unauthenticated remote attacker mark any
Account takeover in MStore API WordPress plugin before 4.21.0 is achievable by unauthenticated remote attackers who know
Integrity bypass in MStore API WordPress plugin (versions before 4.21.0) enables unauthenticated remote attackers to cre
Broken order authorization in MStore API WordPress plugin (before 4.21.1) allows any authenticated user, including low-p
MStore API WordPress plugin before 4.21.1 allows any authenticated user - including the lowest-privilege Subscriber role
GitHub PoC
Exploit-DB