Headline
GHSA-2rcw-9hrm-8q7q: TYPO3 Cross-Site Scripting in Frontend User Login
Failing to properly encode user input, login status display is vulnerable to cross-site scripting in the website frontend. A valid user account is needed in order to exploit this vulnerability - either a backend user or a frontend user having the possibility to modify their user profile.
Template patterns that are affected are
- ###FEUSER_[fieldName]### using system extension felogin
- <!–###USERNAME###–> for regular frontend rendering (pattern can be defined individually using TypoScript setting config.USERNAME_substToken)
TYPO3 Cross-Site Scripting in Frontend User Login
Moderate severity GitHub Reviewed Published Jun 7, 2024 to the GitHub Advisory Database