Actu
Vigil@nce - Drupal Core: Cross Site Scripting via Date Format Configuration
November 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 Date Format
Configuration of Drupal Core, in order to run JavaScript code in
the context of the web site.
Impacted products: Drupal Core.
Severity: 2/4.
Consequences: client access/rights.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 04/09/2019.
DESCRIPTION OF THE VULNERABILITY
The Core module can be installed on Drupal.
However, it does not filter received data via Date Format
Configuration before inserting them in generated HTML documents.
An attacker can therefore trigger a Cross Site Scripting via Date
Format Configuration of Drupal Core, in order to run JavaScript
code in the context of the web site.
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