Simple JWT Login <= 3.6.6 - Authenticated (Subscriber+) Authentication Bypass to Privilege Escalation via 'payload' Parameter
The Simple JWT Login – Allows you to use JWT on REST endpoints. plugin for WordPress is vulnerable to Authentication Bypass to Privilege Escalation in all versions up to, and including, 3.6.6 via the payload parameter. The vulnerability exists because AuthenticateService::generatePayload() only overwrites JWT payload keys whose names appear in the admin-configured jwt_payload list — leaving any attacker-supplied identity claims such as email, id, or username intact and signed into the JWT with the site's HS256 secret. This makes it possible for authenticated attackers, with subscriber-level access and above, to escalate their privileges to that of an Administrator by injecting a target administrator's email address into the payload parameter at the /wp-json/simple-jwt-login/v1/auth endpoint, then redeeming the resulting JWT at the /autologin endpoint to obtain a fully authenticated session as that administrator.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | Simple JWT Login – Allows you to use JWT on REST endpoints. | <= 3.6.6 | 3.6.7 |
Odnośniki
- Wektor CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Słabość (CWE)
CWE-269- Platforma
- WordPress
- Paczka
Simple JWT Login – Allows you to use JWT on REST endpoints.- Ujawniono
- 10.07.2026
- Aktualizacja
- 11.10.2026 10:23
Źródła i licencje
Wordfence Intelligence - cd97a7a4-9f57-4882-9e3e-0e9853416af9 - Wordfence Intelligence
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Copyright 2012-2026 Defiant Inc.
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Historia podatności: Simple JWT Login – Allows you to use JWT on REST endpoints.
Wszystkie opisane podatności tej paczki (Wtyczka WordPress), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.
- Wszystkich wpisów
- 6
- Pierwsza → ostatnia
- 10.2021 10.2026
- Bez poprawki
- 1
- Wykorzystywana w atakach
- 0
Rozkład istotności
- Wysoka 4
- Średnia 2
Ujawnienia w latach
- 2021: 2
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 3
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Simple JWT Login <= 3.6.6 - Authenticated (Subscriber+) Authentication Bypass to Privilege Escalation via 'payload' Parameter ten wpis
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