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SilverStripe < 2.3.5 Cross-site Scripting Vulnerability



The remote web server is hosting an application that is vulnerable to a cross-site scripting attack.


The remote web server is hosting SilverStripe CMS. The installed version of SilverStripe is earlier than 2.3.5. Such versions are potentially affected by a persistent cross-site scripting vulnerability becase the application fails to properly sanitize user-supplied input to the 'CommenterURL' parameter in the comment posting mechanism. An attacker could exploit this flaw in order to execute arbitrary script code in a user's browser.


Upgrade to SilverStripe 2.3.5 or later.