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Mstore Api CVE-2024-12042

MEDIUM
Unrestricted Upload of File with Dangerous Type (CWE-434)
2024-12-13 security@wordfence.com
5.4
CVSS 3.1 · Vendor: wordfence
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK

2 techniques across 2 tactics: Command and Control, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAI

The MStore API - Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the profile picture upload functionality in all versions up to,. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

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 Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. The MStore API - Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the profile picture upload functionality in all versions up to, and including, 4.16.4 due to insufficient file type validation. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload HTML files with arbitrary web scripts that will execute whenever a user accesses the file. Affected products include: Inspireui Mstore Api.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (wordfence) PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from Vendor (wordfence) · only source for this CVE.

CVSS VectorVendor: wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionCVE.org

The MStore API - Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the profile picture upload functionality in all versions up to, and including, 4.16.4 due to insufficient file type validation. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload HTML files with arbitrary web scripts that will execute whenever a user accesses the file.

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Affected Products (CPE)CVE.org

cpe:2.3:a:inspireui:mstore_api:*:*:*:*:*:wordpress:*:*
CVE-2023-2732 CRITICAL POC
9.8 May 25

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.2. Rate

CVE-2023-2734 CRITICAL POC
9.8 May 25

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.1. Rate

CVE-2023-3277 CRITICAL POC
9.8 Nov 03

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up

CVE-2023-3197 CRITICAL POC
9.8 Jun 24

The MStore API plugin for WordPress is vulnerable to Unauthenticated Blind SQL Injection via the 'id' parameter in versi

CVE-2020-36713 CRITICAL POC
9.8 Jun 07

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.1.5. Rate

CVE-2023-3077 CRITICAL POC
9.8 Jul 10

The MStore API WordPress plugin before 3.9.8 does not sanitise and escape a parameter before using it in a SQL statement

CVE-2023-3076 CRITICAL POC
9.8 Jul 10

The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of thei

CVE-2021-47933 CRITICAL POC
9.3 May 10

WordPress MStore API 2.0.6 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to uplo

CVE-2026-16038 CRITICAL POC
9.1 Aug 07

Authentication bypass in the MStore API WordPress plugin before 4.21.0 lets an unauthenticated remote attacker mark any

CVE-2026-16030 HIGH POC
8.1 Aug 07

Account takeover in MStore API WordPress plugin before 4.21.0 is achievable by unauthenticated remote attackers who know

CVE-2026-16041 HIGH POC
7.5 Aug 07

Integrity bypass in MStore API WordPress plugin (versions before 4.21.0) enables unauthenticated remote attackers to cre

CVE-2026-18234 MEDIUM POC
6.5 Aug 29

Broken order authorization in MStore API WordPress plugin (before 4.21.1) allows any authenticated user, including low-p

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