EPSS
Percentile
32.3%
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.
www.securitytracker.com/id/1040755
forge.typo3.org/issues/84191
github.com/pradeepjairamani/TYPO3-XSS-POC