CVE-2026-54817 PUBLISHED

WordPress MStore API plugin <= 4.18.4 - Broken Authentication vulnerability

Assigner: Patchstack
Reserved: 16.06.2026 Published: 17.06.2026 Updated: 17.06.2026

Authentication Bypass Using an Alternate Path or Channel vulnerability in FluxBuilder MStore API allows Password Recovery Exploitation.

This issue affects MStore API: from n/a through 4.18.4.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS Score: 6.5

Product Status

Vendor FluxBuilder
Product MStore API
Versions Default: unaffected
  • affected from n/a to 4.18.4 (incl.)

Solutions

Update the WordPress MStore API Plugin to the latest available version (at least 4.19.0).

Credits

  • Jakub Herman | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel CWE

Impacts

  • CAPEC-50 Password Recovery Exploitation