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CVE-2026-16030highCWE-287

MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.1epss 0.2%
exploitation probability
0.2%top 86% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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
Affected products
Unknown · MStore API
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.