CVE-2026-54817

WordPress MStore API plugin <= 4.18.4 - Broken Authentication vulnerability

CVSS 6.5 MEDIUMEPSS 0.3%CWE-288

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

17 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

FluxBuilder · MStore API

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://patchstack.com/database/wordpress/plugin/mstore-api/vulnerability/wordpress-mstore-api-plugin-4-18-4-broken-authentication-vulnerability?_s_id=cve