concrete5 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-6905)

Description

An issue was discovered in concrete5 <= 5.6.3.4. The vulnerability exists due to insufficient filtration of user-supplied data (disable_choose) passed to the "concrete5-legacy-master/web/concrete/tools/files/search_dialog.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

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