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Vulnerability record · CVE-2023-3277 · published 3 November 2023

CVE-2023-3277: Inspireui mstore api authentication bypass via alternate path vulnerability

Inspireui · Mstore Api

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login feature. This allows unauthenticated attackers to log in as any user as long as they know the user's email address.

9.8 CVSS 3.1 Critical EPSS 2.9% · top 13.7% CWE-288 · Authentication bypass via alternate path
9.8CVSS 3.1 base score
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login feature. This allows unauthenticated attackers to log in as any user as long as they know the user's email address.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/browser/mstore-api/trunk/controllers/flutter-user.php#L821 Product
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2988788%40mstore-api%2Ftrunk&old=298588
https://www.wordfence.com/threat-intel/vulnerabilities/id/1c7c0c35-5f44-488f-9fe1-269ea4a73854?source=cve Third Party Advisory
https://plugins.trac.wordpress.org/browser/mstore-api/trunk/controllers/flutter-user.php#L821 Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/1c7c0c35-5f44-488f-9fe1-269ea4a73854?source=cve Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-3277), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.