Learn about CVE-2020-26227 affecting TYPO3.CMS versions < 9.5.23 and < 10.4.10. Understand the impact, technical details, and mitigation steps for this cross-site scripting vulnerability.
TYPO3 is an open-source PHP-based web content management system. In TYPO3 versions before 9.5.23 and 10.4.10, the system extension Fluid (typo3/cms-fluid) is vulnerable to cross-site scripting when passing user-controlled data as arguments to Fluid view helpers. This CVE provides details on the impact, technical aspects, and mitigation strategies for this vulnerability.