miniOrange JWT Authentication for WP REST APIs plugin for WordPress before 4.8.0 contains an authentication method downgrade vulnerability that allows unauthenticated attackers to bypass administrator-configured authentication by supplying a specific GET parameter without any capability check or nonce verification. Attackers can force the plugin to use Basic HTTP authentication regardless of configured JWT or API token settings, then exploit distinguishable error codes and the absence of rate limiting to perform unthrottled username enumeration and credential guessing attacks.
History

Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Miniorange
Miniorange jwt Authentication For Wp Rest Apis
Wordpress
Wordpress wordpress
Vendors & Products Miniorange
Miniorange jwt Authentication For Wp Rest Apis
Wordpress
Wordpress wordpress

Thu, 17 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description miniOrange JWT Authentication for WP REST APIs plugin for WordPress before 4.8.0 contains an authentication method downgrade vulnerability that allows unauthenticated attackers to bypass administrator-configured authentication by supplying a specific GET parameter without any capability check or nonce verification. Attackers can force the plugin to use Basic HTTP authentication regardless of configured JWT or API token settings, then exploit distinguishable error codes and the absence of rate limiting to perform unthrottled username enumeration and credential guessing attacks.
Title miniOrange JWT Authentication for WP REST APIs < 4.8.0 Authentication Downgrade
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-15T20:05:38.566Z

Updated: 2026-09-17T16:49:01.480Z

Reserved: 2026-09-10T16:23:54.472Z

Link: CVE-2026-89027

cve-icon Vulnrichment

Updated: 2026-09-17T16:48:57.439Z

cve-icon NVD

Status : Deferred

Published: 2026-09-15T20:19:20.093

Modified: 2026-09-24T21:08:55.030

Link: CVE-2026-89027

cve-icon Redhat

No data.