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Vulnerability of Drupal Core: Cross Site Scripting via AJAX API JSONP

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting via AJAX API JSONP of Drupal Core, in order to run JavaScript code in the context of the web site.
Impacted systems: Drupal Core.
Severity of this alert: 2/4.
Creation date: 17/09/2020.
Références of this alert: CVE-2020-13666, DRUPAL-SA-CORE-2020-007, VIGILANCE-VUL-33347.

Description of the vulnerability 

An attacker can trigger a Cross Site Scripting via AJAX API JSONP of Drupal Core...
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This cybersecurity announce impacts software or systems such as Drupal Core.

Our Vigil@nce team determined that the severity of this threat alert is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer weakness alert.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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