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Vulnerability of Tenable Nessus: Cross Site Scripting

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting of Tenable Nessus, in order to run JavaScript code in the context of the web site.
Vulnerable software: Nessus.
Severity of this announce: 2/4.
Creation date: 26/06/2019.
Références of this computer vulnerability: CERTFR-2019-AVI-294, CVE-2019-3961, TNS-2019-04, VIGILANCE-VUL-29629.

Description of the vulnerability 

The Tenable Nessus product offers a web service.

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

An attacker can therefore trigger a Cross Site Scripting of Tenable Nessus, in order to run JavaScript code in the context of the web site.
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This vulnerability note impacts software or systems such as Nessus.

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 

Tenable Nessus: version 8.5.0.
The version 8.5.0 is fixed:
  https://fr.tenable.com/downloads/nessus
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