CVSS 3.1 Score 4.3 of 10 (medium)


Published Jul 12, 2023
Updated: Nov 7, 2023
CWE ID 352


CVE-2021-4425 is a vulnerability found in the Defender Security plugin for WordPress, affecting versions up to and including 2.4.6. This vulnerability is categorized as Cross-Site Request Forgery (CSRF) and occurs due to missing or incorrect nonce validation on the verify_otp_login_time() function. If successfully exploited, unauthenticated attackers can trick a site administrator into performing an action, such as clicking on a link, which allows them to verify a one-time login via a forged request. The risk score for this vulnerability is 10, indicating a high level of danger to organizations using the affected plugin. The base severity is rated as medium, with no impact on confidentiality and low impact on integrity. To remediate this vulnerability, it is recommended for users to update their Defender Security plugin to a version beyond 2.4.6 to mitigate the risk of CSRF attacks.


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