CVE-2026-16030
MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication
- State
- Published
- Severity
- 8.1 High
- Published
- Aug 7, 2026
- Updated
- Aug 7, 2026
- Reserved
- Jul 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
MStore APIUnknown |
|
References
- https://wpscan.com/vulnerability/adf8ffe0-39a2-4d26-af11-1ac807800735/exploitvdb-entrytechnical-description
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