# WP OAuth Server (OAuth Authentication)

> Adds Authentication through OAuth 2. Provides the ability for Single Sign On for websites & Mobile Applications.

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 09:33 UTC.

## Facts (WordPress.org)

- Slug: `oauth2-provider`
- Author: Jayson T Cote
- Version: 4.5.2
- Active installs: 3,000+
- Last update: 2026-09-24 (2 months ago)
- Tested up to: WordPress 6.9.0 (current: 7.1.4)
- Requires: WordPress 4.7.2, PHP 7.4
- Tags: oauth, OAuth provider, oauth2, OAuth2 Service, Provider
- Page: https://wordpress.org/plugins/oauth2-provider/

## Checks (against WordPress 7.1.4)

- OK: Updated 2 months ago.
- FLAG: Not tested with WordPress 7.1 (tested up to 6.9.0).
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Behind ↔ Current, Heavy ↔ Light, Pushy ↔ Fair, Closed ↔ Agent-ready, Leaves a mess ↔ Clean exit, Focused ↔ All-in-one (personality).

## Known vulnerabilities

- 2026-09-30 MEDIUM: Authenticated (Contributor+) Stored Cross-Site Scripting (up to 4.5.1). CVE-2026-97288, https://www.wordfence.com/threat-intel/vulnerabilities/id/1622691e-a28d-4dd3-ab05-ed53943010e5?source=api-prod
- 2024-04-05 MEDIUM: Open Redirect (up to 4.3.3). CVE-2024-31253, https://www.wordfence.com/threat-intel/vulnerabilities/id/4d425843-a68e-40fd-93de-04c1c46af88f?source=api-prod
- 2023-02-21 MEDIUM: Authenticated (Subscriber+) Arbitrary Client Deletion (wo_ajax_remove_client) (up to 4.2.5). CVE-2022-4148, https://www.wordfence.com/threat-intel/vulnerabilities/id/27da9458-ac19-4b4e-a14b-d1ba62e9e9ea?source=api-prod
- 2023-02-21 MEDIUM: Cross-Site Request Forgery to Arbitrary Post Deletion (wo_ajax_remove_client) (up to 4.2.3). CVE-2022-3894, https://www.wordfence.com/threat-intel/vulnerabilities/id/3bf68449-487d-4ef1-86be-c51dc7d79054?source=api-prod
- 2023-01-26 MEDIUM: WP OAuth Server (OAuth Authentication) <= 4.2.5 -Cross-Site Request Forgery (up to 4.2.5). WF-9fdc9d20-a1cf-4a58-b250-4f3f56b77b69, https://www.wordfence.com/threat-intel/vulnerabilities/id/9fdc9d20-a1cf-4a58-b250-4f3f56b77b69?source=api-prod
- 2022-11-10 HIGH: Cross-Site Request Forgery (up to 4.2.5). CVE-2022-3926, https://www.wordfence.com/threat-intel/vulnerabilities/id/77de0955-d6e4-4da0-8a71-772c404e5dc2?source=api-prod
- 2022-11-08 MEDIUM: Authenticated (Administrator+) Stored Cross-Site Scripting (up to 4.2.1). CVE-2022-3892, https://www.wordfence.com/threat-intel/vulnerabilities/id/a07bd233-902c-402c-9055-f3085246da78?source=api-prod
- 2015-08-12 CRITICAL: Pseudorandom Number Generation (before 3.1.5). CVE-2015-9435, https://www.wordfence.com/threat-intel/vulnerabilities/id/598fffcd-0318-4e41-8837-f65761390c19?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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