EUVD-2025-32415

| CVE-2025-9485 CRITICAL
2025-10-04 [email protected]
Authentication Bypass WordPress PHP
9.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 13, 2026 - 19:56 vuln.today
EUVD ID Assigned
Mar 13, 2026 - 19:56 euvd
EUVD-2025-32415
CVE Published
Oct 04, 2025 - 03:15 nvd
CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

Cryptographic signature bypass in OAuth SSO WordPress plugin. EPSS 0.65%.

Technical ContextAI

CWE-347.

RemediationAI

Update.

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EUVD-2025-32415 vulnerability details – vuln.today
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