CVSS 3.1 Score 5.3 of 10 (medium)


Published Oct 16, 2023
Updated: Nov 20, 2023
CWE ID 200


CVE-2023-5561 is a vulnerability that affects WordPress. It allows unauthenticated attackers to determine the email addresses of users who have published public posts on an affected website through an Oracle-style attack. The vulnerability is due to WordPress not properly restricting which user fields are searchable via the REST API. To remediate this vulnerability, users should update to the latest version of WordPress, which includes a fix for the issue. The potential danger of this vulnerability is that it could expose sensitive information, such as users' email addresses, which could be used for targeted phishing attacks or other malicious activities.

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