CVSS 3.1 Score 6.1 of 10 (medium)


Published Jul 7, 2023
Updated: May 17, 2024


CVE-2023-3540 is a vulnerability found in SimplePHPscripts NewsLetter Script PHP 2.4, which allows for cross-site scripting through the manipulation of the /preview.php file. This vulnerability can be exploited remotely and has a CVSS score of 4.0. The base severity is rated as MEDIUM, with a base score of 6.1. The impact on integrity and confidentiality is low, and no privileges are required for exploitation. Users' interaction is required for the attack to be successful, and the attack vector is through the network. Remediation measures should be taken to address this vulnerability promptly to prevent potential harm to an organization's systems and data.


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