What’s Vulnerable › Vulnerabilities
CVE-2026-16030: MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-07 · updated 2026-08-26
- Weakness: CWE-287
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.
Affected products
- inspireui MStore API – Create Native Android & iOS Apps On The Cloud: before 4.21.0 — fixed in 4.21.0
How to fix
Upgrade to a fixed version: inspireui MStore API – Create Native Android & iOS Apps On The Cloud 4.21.0. Check the vendor advisory for mitigations.
References
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