Description
The page module in TYPO3 before 8.7.11, and 9.1.0, has XSS via $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], as demonstrated by an admin entering a crafted site name during the installation process.
Remediation
References
Related Vulnerabilities
PrestaShop Files or Directories Accessible to External Parties Vulnerability (CVE-2020-5250)
Django Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2015-8213)
Oracle Database Server CVE-2006-5337 Vulnerability (CVE-2006-5337)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-5471)