CVSS 3.1 Score 5.4 of 10 (medium)


Published Jan 4, 2024
Updated: Jan 11, 2024
CWE ID 434


CVE-2023-6551 is a vulnerability in the class.upload.php library, which can lead to a stored cross-site scripting (XSS) attack when the default configuration is used. This vulnerability affects the class.upload.php library and potentially any products that use it. To remediate this vulnerability, developers are advised to implement extension whitelisting and enforce the server to provide content-type based on the file extension. Failure to address this vulnerability could result in an attacker being able to inject malicious code into the application, potentially compromising the organization's data and users' privacy. The severity of this vulnerability is classified as medium, with a base score of 5.4 according to NIST's National Vulnerability Database.

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