The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

Vulnerability of Symfony: Cross Site Scripting via VarExporter

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting via VarExporter of Symfony, in order to run JavaScript code in the context of the web site.
Severity of this bulletin: 2/4.
Creation date: 13/11/2019.
Références of this threat: CVE-2019-11325, VIGILANCE-VUL-30861.

Description of the vulnerability

An attacker can trigger a Cross Site Scripting via VarExporter of Symfony, in order to run JavaScript code in the context of the web site.
Full Vigil@nce bulletin... (Request your free trial)

This vulnerability note impacts software or systems such as Symfony.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 threat note.

Solutions for this threat

Symfony: version 4.3.8.
The version 4.3.8 is fixed:
  https://symfony.com/download

Symfony: version 4.2.12.
The version 4.2.12 is fixed:
  https://symfony.com/download
Full Vigil@nce bulletin... (Request your free trial)

Computer vulnerabilities tracking service

Vigil@nce provides computers vulnerabilities alerts. Each administrator can customize the list of products for which he wants to receive vulnerability alerts.