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Vulnerability record · CVE-2026-16030 · published 7 August 2026

CVE-2026-16030: Improper authentication vulnerability

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including administrator accounts.

8.1 CVSS 3.1 High EPSS 0.38% · top 70.2% CWE-287 · Improper authentication Deferred
8.1CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

Description

The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take over that user's account, including administrator accounts.

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

References

LinkTags
https://wpscan.com/vulnerability/adf8ffe0-39a2-4d26-af11-1ac807800735/

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

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Source: NIST National Vulnerability Database (record CVE-2026-16030), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.