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CVE Vulnerability Details :
CVE-2026-54817
PUBLISHED
More InfoOfficial Page
Assigner-Patchstack
Assigner Org ID-21595511-bba5-4825-b968-b78d1f9984a3
View Known Exploited Vulnerability (KEV) details
Published At-17 Jun, 2026 | 13:36
Updated At-17 Jun, 2026 | 14:15
Rejected At-
▼CVE Numbering Authority (CNA)
WordPress MStore API plugin <= 4.18.4 - Broken Authentication vulnerability

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.

Affected Products
Vendor
FluxBuilder
Product
MStore API
Collection URL
https://wordpress.org/plugins
Package Name
mstore-api
Default Status
unaffected
Versions
Affected
  • From n/a through 4.18.4 (custom)
    • -> unaffectedfrom4.19.0
Problem Types
TypeCWE IDDescription
CWECWE-288CWE-288 Authentication Bypass Using an Alternate Path or Channel
Type: CWE
CWE ID: CWE-288
Description: CWE-288 Authentication Bypass Using an Alternate Path or Channel
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-50CAPEC-50 Password Recovery Exploitation
CAPEC ID: CAPEC-50
Description: CAPEC-50 Password Recovery Exploitation
Solutions

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

Configurations
Workarounds
Exploits
Credits
finder
Jakub Herman | Patchstack Bug Bounty Program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://patchstack.com/database/wordpress/plugin/mstore-api/vulnerability/wordpress-mstore-api-plugin-4-18-4-broken-authentication-vulnerability?_s_id=cve
vdb-entry
Hyperlink: https://patchstack.com/database/wordpress/plugin/mstore-api/vulnerability/wordpress-mstore-api-plugin-4-18-4-broken-authentication-vulnerability?_s_id=cve
Resource:
vdb-entry
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found