CVE-2024-56411

Summary

CVE-2024-56411 is a cross-site scripting (XSS) vulnerability affecting versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 of the PhpSpreadsheet PHP library. This issue arises due to the failure to sanitize the hyperlink base in the library's HTML page header. As a result, an attacker can inject malicious scripts into a web application using this library, leading to potential data theft or unauthorized system access. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain patches to address this vulnerability, which developers are encouraged to apply promptly to secure their applications.

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