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.
Betroffene Software
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| Plattform | Paket | Anfällige Versionen | Behoben in |
|---|---|---|---|
| WordPress-Plugin | MStore API – Create Native Android & iOS Apps On The Cloud | <= 4.20.0 | 4.21.1 |
Verweise
- CVSS-Vektor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Schwäche (CWE)
CWE-287- Plattform
- WordPress
- Paket
MStore API – Create Native Android & iOS Apps On The Cloud- Veröffentlicht
- 04.09.2026
- Aktualisiert
- 11.10.2026 10:22
Quellen und Lizenzen
Wordfence Intelligence - 4a1127af-74f6-4748-9aee-5a8c6c2766a4 - Wordfence Intelligence
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Schwachstellenhistorie: MStore API – Create Native Android & iOS Apps On The Cloud
Alle veröffentlichten Schwachstellen dieses Pakets (WordPress-Plugin), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.
- Einträge insgesamt
- 39
- Erste → letzte
- 03.2020 09.2026
- Ohne Fix
- 0
- In Angriffen ausgenutzt
- 0
Verteilung nach Schweregrad
- Kritisch 14
- Hoch 3
- Mittel 22
Veröffentlichungen pro Jahr
- 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 dieser Eintrag
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