CVSS 3.1 Score 4.3 of 10 (medium)


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


CVE-2021-4407 is a vulnerability in the Custom Banners plugin for WordPress versions up to and including 3.2.2. The vulnerability stems from missing or incorrect nonce validation on the saveCustomFields() function, allowing unauthenticated attackers to save custom fields through forged requests if they can deceive a site administrator into taking an action such as clicking on a link. This vulnerability has a risk score of 10 and a base severity of MEDIUM, as assessed by [email protected]. It requires user interaction and has a low impact on integrity and confidentiality. Remediation for this vulnerability is not specified in the provided information.


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