User Manipulation Vulnerability in MStore API WordPress Plugin
CVE-2026-97219

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Mstore Api
Vendor
CVE Published:
2 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-97219?

The MStore API WordPress plugin prior to version 4.22.1 is susceptible to a user manipulation vulnerability that permits any authenticated user with a self-registerable account to alter the status of their own unpaid orders. This flaw enables individuals to change their order status to 'paid' or 'fulfilled', effectively allowing them to receive goods without completing the payment process, which poses significant risks for businesses relying on this plugin for e-commerce functionalities.

Affected Version(s)

MStore API 4.21.1 < 4.22.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-97219 - Proof of Concept

References

https://wpscan.com/vulnerability/0787d00b-2263-465f-8f46-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

cyberkareem
WPScan
.