Vigil@nce - TYPO3 Formhandler: Cross Site Scripting
January 2018 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can trigger a Cross Site Scripting of TYPO3
Formhandler, in order to run JavaScript code in the context of the
web site.
Impacted products: TYPO3 Extensions not comprehensive.
Severity: 2/4.
Creation date: 07/11/2017.
DESCRIPTION OF THE VULNERABILITY
The Formhandler extension can be installed on TYPO3.
However, it does not filter received data before inserting them in
generated HTML documents.
An attacker can therefore trigger a Cross Site Scripting of TYPO3
Formhandler, in order to run JavaScript code in the context of the
web site.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/TYPO3-Formhandler-Cross-Site-Scripting-24367