silverstripeCMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2010-4823)
Description
Cross-site scripting (XSS) vulnerability in the httpError method in sapphire/core/control/RequestHandler.php in SilverStripe 2.3.x before 2.3.10 and 2.4.x before 2.4.4, when custom error handling is not used, allows remote attackers to inject arbitrary web script or HTML via "missing URL actions."