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vulnerability CVE-2018-12040

Symfony: Cross Site Scripting via Profiler

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting via Profiler of Symfony, in order to run JavaScript code in the context of the web site.
Vulnerable products: Symfony.
Severity of this weakness: 2/4.
Consequences of a hack: client access/rights.
Hacker's origin: document.
Creation date: 11/06/2018.
Références of this bulletin: CVE-2018-12040, VIGILANCE-VUL-26370.

Description of the vulnerability

The Symfony product offers a web service.

However, it does not filter received data via Profiler before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting via Profiler of Symfony, in order to run JavaScript code in the context of the web site.
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