Vigil@nce - Drupal Core: Cross Site Scripting via File Module/Subsystem
May 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
An attacker can trigger a Cross Site Scripting via File
Module/Subsystem of Drupal Core, in order to run JavaScript code
in the context of the web site.
Impacted products: Debian, Drupal Core, Fedora, IBM API Connect,
I-Connect, Synology DSM.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 20/03/2019.
DESCRIPTION OF THE VULNERABILITY
The Core module can be installed on Drupal.
However, it does not filter received data via File
Module/Subsystem before inserting them in generated HTML documents.
An attacker can therefore trigger a Cross Site Scripting via File
Module/Subsystem of Drupal Core, in order to run JavaScript code
in the context of the web site.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Drupal-Core-Cross-Site-Scripting-via-File-Module-Subsystem-28786