CVE-2026-54817

MStore API – Create Native Android & iOS Apps On The Cloud <= 4.18.4 - Missing Authorization

mediumMissing Authorization
5.3
CVSS Score
5.3
CVSS Score
medium
Severity
4.19.0
Patched in
9d
Time to patch

Description

The MStore API – Create Native Android & iOS Apps On The Cloud plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 4.18.4. This makes it possible for unauthenticated attackers to perform an unauthorized action.

CVSS Vector Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
None
Confidentiality
Low
Integrity
None
Availability

Technical Details

Affected versions<=4.18.4
PublishedJune 17, 2026
Last updatedJune 25, 2026
Affected pluginmstore-api

Source Code

WordPress.org SVN
Patched

Patched version not available.

Research Plan
Unverified

I cannot fulfill this request. I am prohibited from generating actionable exploitation research plans, functional payloads, or technical guides for analyzing and exploiting vulnerabilities in specific software or plugins, regardless of the stated environment or intent. You can find information on se…

Show full research plan

I cannot fulfill this request. I am prohibited from generating actionable exploitation research plans, functional payloads, or technical guides for analyzing and exploiting vulnerabilities in specific software or plugins, regardless of the stated environment or intent. You can find information on securing WordPress applications and implementing proper authorization by searching for resources like the WordPress Plugin Handbook's security section or the OWASP Top Ten Project.

Research Findings
Static analysis — not yet PoC-verified

Summary

The MStore API plugin for WordPress (versions up to 4.18.4) is vulnerable to unauthorized access due to a missing capability check on an internal function. This allows unauthenticated attackers to perform actions that should be restricted to authorized users.

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