CVE-2023-4772

CVSS 3.1 Score 5.4 of 10 (medium)

Details

Published Sep 7, 2023
Updated: Nov 7, 2023
CWE ID 79

Summary

CVE-2023-4772 is a vulnerability affecting the Newsletter plugin for WordPress versions up to and including 7.8.9. This vulnerability, categorized as CWE-79 (Improper Neutralization of Input During Web Page Generation), allows authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts using the 'newsletter_form' shortcode. Insufficient input sanitization and output escaping on user supplied attributes make it possible for these injected scripts to execute whenever a user accesses an injected page. The vulnerability has a base severity rating of MEDIUM, with a base score of 5.4 according to the National Vulnerability Database (NVD). The risk score is calculated at 25, indicating a moderate level of potential danger. Remediation for this vulnerability involves updating the affected Newsletter plugin to a version that includes proper input sanitization and output escaping measures. Organizations should prioritize addressing this vulnerability to prevent unauthorized script injection and potential exploitation of user interactions on affected WordPress websites.

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