CVE-2023-5561

CVSS 3.1 Score 5.3 of 10 (medium)

Details

Published Oct 16, 2023
Updated: Nov 20, 2023

Summary

CVE-2023-5561 is a vulnerability affecting WordPress where the REST API does not adequately restrict searchable user fields. This issue allows unauthenticated attackers to discern email addresses of users who have published public posts through an Oracle-style attack, potentially leading to targeted phishing or spam campaigns. This vulnerability poses a significant risk to websites using WordPress, as it enables attackers to bypass authentication and access sensitive user information. To mitigate this risk, it is recommended that WordPress users update to the latest version of the software and restrict REST API access to authorized users.

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