CVSS 3.1 Score 4.3 of 10 (medium)


Published Jan 11, 2024
Updated: Jan 17, 2024
CWE ID 352


CVE-2023-6520 is a vulnerability in the WP 2FA – Two-factor authentication for WordPress plugin for WordPress, affecting all versions up to and including 2.5.0. The vulnerability is related to Cross-Site Request Forgery (CSRF) and occurs due to missing or incorrect nonce validation on the send_backup_codes_email function. This allows unauthenticated attackers to send emails with arbitrary content to registered users by tricking a site administrator or other registered user into performing an action, such as clicking on a link. The vulnerability poses a medium risk with a base severity score of 4.3 out of 10, requiring user interaction but not needing any privileges. It has a low impact on integrity and does not affect confidentiality or availability. To remediate this vulnerability, users should update to the latest version of the WP 2FA plugin when it becomes available.


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