CVE-2020-9311

In SilverStripe through 4.5, malicious users with a valid Silverstripe CMS login usually CMS access can craft profile information which can lead to XSS for other users through specially crafted login form URLs...

CVE-2020-9311: Malicious user profile information can cause login form XSS

More info at https://www.silverstripe.org/download/security-releases/cve-2020-9311/...