OAuth Server <= 6.3.0 - Authenticated (Subscriber+) Arbitrary User Identity Token Issuance to Privilege Escalation
| CVE | CVE-2026-82843 |
|---|---|
| CVSS | 8.8 (High) |
| Publicly Published | September 21, 2026 |
| Last Updated | September 30, 2026 |
| Researcher |
vuxvinh
|
Description
The WP OAuth Server ( Login with WordPress ) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to log in as other users without a password, including administrators.
Learn more about Authentication Bypass vulnerabilities and how to prevent them.
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Vulnerability Details for WP OAuth Server ( Login with WordPress )
| Software Type | Plugin |
|---|---|
| Software Slug | miniorange-oauth-20-server (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 6.4.0, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in WP OAuth Server ( Login with WordPress )
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | WP OAuth Server ( Login with WordPress ) < 6.3.1 - Unauthenticated Information Exposure | CVE-2026-19715 | Farid Narimanov | August 28, 2026 | |
| 2 | WP OAuth Server ( Login with WordPress ) <= 6.2.0 - Unauthenticated SQL Injection | CVE-2026-65520 | Luis Koleski | July 28, 2026 | |
| 3 | WP OAuth Server <= 3.0.4 - Authentication Bypass | CVE-2022-34149 | István Márton | August 2, 2022 |
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