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."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.6%