CVE-2026-89027
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.
Affected WordPress components
-
JWT Authentication for WP REST APIs Plugin · wp-rest-api-authenticationBefore 4.8.0View on WordPress.org
A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.
Affected products and versions
- miniOrange JWT Authentication for WP REST APIs — Before 4.8.0
References
- wordpress.org https://wordpress.org/plugins/wp-rest-api-authentication/#developers
- www.vulncheck.com https://www.vulncheck.com/advisories/miniorange-jwt-authentication-for-wp-rest-apis-authentication-downgrade
- nvd.nist.gov Official NVD record