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Vulnerability of Jenkins Core LTS: Cross Site Scripting via Confirmation Dialogs

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting via Confirmation Dialogs of Jenkins Core LTS, in order to run JavaScript code in the context of the web site.
Vulnerable products: Jenkins Core.
Severity of this weakness: 2/4.
Creation date: 11/04/2018.
Références of this bulletin: CVE-2018-1000170, VIGILANCE-VUL-25842.

Description of the vulnerability 

The Jenkins Core LTS product offers a web service.

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

An attacker can therefore trigger a Cross Site Scripting via Confirmation Dialogs of Jenkins Core LTS, in order to run JavaScript code in the context of the web site.
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This computer weakness impacts software or systems such as Jenkins Core.

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

Solutions for this threat 

Jenkins Core LTS: version 2.107.2.
The version 2.107.2 is fixed:
  https://jenkins.io/
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