CVE-2026-82843

Published: Set 23, 2026 Last Modified: Set 24, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,0
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

The WP OAuth Server ( Login with WordPress ) WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the Subscriber role and above to obtain a validly signed identity assertion for another user, including an administrator, and authenticate as them at any application that uses the site for single sign-on.

287

Improper Authentication

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control
Potential Impacts:
Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: Not Technology-Specific, Web Based, ICS/OT
Likelihood of Exploit: High
View CWE Details
https://wpscan.com/vulnerability/45bc7096-5d04-4fe6-a332-31…
https://wpscan.com/vulnerability/45bc7096-5d04-4fe6-a332-31aed507a3a0/