MStore API <= 4.20.0 - Unauthenticated Authentication Bypass via 'id_token' Parameter JWT Forgery
The Mstore Api plugin for WordPress is vulnerable to Authentication Bypass via JWT Forgery in versions up to, and including, 4.20.0 This is due to missing cryptographic signature verification in the FirebasePhoneAuthHelper::verify_id_token() function, which decodes and validates Firebase ID token claims (alg, kid, aud, iss) but never calls openssl_verify() or any equivalent to validate the JWT signature against Google's actual public key certificates. This makes it possible for unauthenticated attackers to forge a Firebase Phone Auth JWT signed with a self-generated RSA key pair and impersonate any phone number, resulting in unauthorized access to existing WordPress accounts or creation of new arbitrary accounts.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | MStore API – Create Native Android & iOS Apps On The Cloud | <= 4.20.0 | 4.21.1 |
Odnośniki
- Wektor CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Słabość (CWE)
CWE-287- Platforma
- WordPress
- Paczka
MStore API – Create Native Android & iOS Apps On The Cloud- Ujawniono
- 04.09.2026
- Aktualizacja
- 11.10.2026 10:22
Źródła i licencje
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Historia podatności: MStore API – Create Native Android & iOS Apps On The Cloud
Wszystkie opisane podatności tej paczki (Wtyczka WordPress), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.
- Wszystkich wpisów
- 39
- Pierwsza → ostatnia
- 03.2020 09.2026
- Bez poprawki
- 0
- Wykorzystywana w atakach
- 0
Rozkład istotności
- Krytyczna 14
- Wysoka 3
- Średnia 22
Ujawnienia w latach
- 2020: 1
- 2021: 2
- 2022: 0
- 2023: 17
- 2024: 6
- 2025: 2
- 2026: 11
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MStore API <= 4.20.0 - Unauthenticated Authentication Bypass via 'id_token' Parameter JWT Forgery ten wpis
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