OAuth Single Sign On – SSO (OAuth Client) <= 6.26.12 - Authentication Bypass via get_resource_owner_from_id_token()
The OAuth Single Sign On – SSO (OAuth Client) plugin for WordPress is vulnerable to Improper Verification of Cryptographic Signature in versions up to, and including, 6.26.12. This is due to the plugin performing unsafe JWT token processing without verification or validation in the get_resource_owner_from_id_token function. This makes it possible for unauthenticated attackers to bypass authentication and gain access to any existing user account - including administrators in certain configurations - or to create arbitrary subscriber-level accounts.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | OAuth Single Sign On – SSO (OAuth Client) | <= 6.26.12 | 6.26.13 |
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-347- Platforma
- WordPress
- Paczka
OAuth Single Sign On – SSO (OAuth Client)- Ujawniono
- 03.10.2025
- Aktualizacja
- 11.10.2026 10:23
Źródła i licencje
Wordfence Intelligence - d2448afc-70d1-4dd5-b73b-62d182ee9a8a - Wordfence Intelligence
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Copyright 2012-2026 Defiant Inc.
This record contains material that is subject to copyright
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Historia podatności: OAuth Single Sign On – SSO (OAuth Client)
Wszystkie opisane podatności tej paczki (Wtyczka WordPress), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.
- Wszystkich wpisów
- 13
- Pierwsza → ostatnia
- 08.2021 09.2026
- Bez poprawki
- 0
- Wykorzystywana w atakach
- 0
Rozkład istotności
- Krytyczna 1
- Wysoka 4
- Średnia 8
Ujawnienia w latach
- 2021: 1
- 2022: 2
- 2023: 3
- 2024: 1
- 2025: 2
- 2026: 4
-
OAuth Single Sign On – SSO (OAuth Client) <= 6.26.12 - Authentication Bypass via get_resource_owner_from_id_token() ten wpis
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