WP OAuth Server <= 4.2.5 - Authenticated (Subscriber+) Arbitrary Client Deletion (wo_ajax_remove_client)

2023-02-21 00:00

István Márton

Strategic Overview

Status

Patched in 4.3.0

Affected PluginWP OAuth Server (OAuth Authentication)

Affected Version<= 4.2.5

CVSS4.3Medium

CVECVE-2022-4148

View all WP OAuth Server (OAuth Authentication) vulnerabilities

Vulnerability Overview

The WP OAuth Server plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the wo_ajax_remove_client() function in versions up to, and including, 4.2.5. This makes it possible for authenticated attackers with minimal permissions such as a subscriber to delete arbitrary clients.

Technical Analysis

REMEDIATION: Update to version 4.3.0, or a newer patched version --- IDENTIFIER: CWE-863 (Incorrect Authorization) The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

External References

https://www.cve.org/CVERecord?id=CVE-2022-4148 https://www.wordfence.com/threat-intel/vulnerabilities/id/27da9458-ac19-4b4e-a14b-d1ba62e9e9ea

CVSS Vector

4.3

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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