CVE-2021-4421

CVSS 3.1 Score 4.3 of 10 (medium)

Details

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

Summary

CVE-2021-4421 is a vulnerability in the Advanced Popups plugin for WordPress, affecting versions up to and including 1.1.1. The vulnerability is categorized as Cross-Site Request Forgery (CSRF) and occurs due to missing or incorrect nonce validation on the metabox_popup_save() function. Unauthenticated attackers can exploit this vulnerability to save meta tags by tricking a site administrator into performing an action, such as clicking on a link. The vulnerability has a base severity of MEDIUM, with a base score of 4.3 according to NVD@NIST. It requires user interaction and has low integrity impact and no confidentiality impact. The affected products include multiple versions of rubXP plugins for WordPress. Remediation for this vulnerability involves updating the Advanced Popups plugin to a version that addresses the issue. Organizations using the affected plugin should take immediate action to mitigate the potential danger posed by this vulnerability.

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