Vulnerability · Published Jul 13, 2026 · Assigned by Patchstack
CVE-2026-57375WordPress MStore API plugin <= 4.18.4 - Broken Access Control vulnerability
Medium 6.5
In plain English
A medium-severity missing authorization in MStore API from FluxBuilder. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 81.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing Authorization vulnerability in FluxBuilder MStore API mstore-api allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MStore API: from n/a through <= 4.18.4.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| FluxBuilder | MStore API | 0 – through 4.18.4 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N