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

Incorrect Authorization
CVE CVE-2022-4148
CVSS Medium (4.3)
Publicly Published February 21, 2023
Last Updated January 22, 2024
Researcher István Márton
Description

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.

References

1 affected software package

Software Type Plugin
Software Slug oauth2-provider (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.2.5
Patched Version
  • 4.3.0
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