TYPO3 is vulnerable to Cross-Site Scripting via frontend rendering

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L/E:F/RL:O/RC:C 8.2 Problem TYPO3 core component GeneralUtility::getIndpEnv uses the unfiltered server environment variable PATHINFO, which allows attackers to inject malicious content. In combination with the TypoScript setting...