GHSA-2f4r-34m4-3w8q
Auth0 Wordpress plugin Vulnerable to Brute Force Authentication Tags of CookieStore Sessions
Quick fix
GHSA-2f4r-34m4-3w8q — auth0/wordpress: upgrade to the fixed version with the command below.
composer require auth0/wordpress:^5.3.0Details
**Overview** Session cookies of applications using the Auth0 Wordpress plugin configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access.
**Am I Affected?** You are affected by this vulnerability if you meet the following pre-conditions: 1. Applications using the Auth0 WordPress Plugin with version <=5.2.1 2. Auth0 WordPress Plugin uses the Auth0-PHP SDK with version 8.0.0-BETA1 or higher and below 8.14.0. 3. Session storage configured with CookieStore.
**Fix** Upgrade Auth0/wordpress plugin to v5.3.0. As an additional precautionary measure, we recommend rotating your cookie encryption keys. Note that once updated, any previous session cookies will be rejected.
**Acknowledgement** Okta would like to thank Félix Charette for discovering this vulnerability.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://github.com/auth0/wordpress/security/advisories/GHSA-2f4r-34m4-3w8q[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2025-47275[ADVISORY]
- https://github.com/auth0/wordpress/commit/06b64468089472d8b62c881708be7eb3749b35ac[WEB]
- https://github.com/auth0/wordpress[PACKAGE]
- https://github.com/auth0/wordpress/releases/tag/5.3.0[WEB]