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Vulnerability of Microsoft SharePoint: Cross Site Scripting

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting of Microsoft SharePoint, in order to run JavaScript code in the context of the web site.
Vulnerable systems: Office, Access, Office Communicator, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.
Severity of this threat: 2/4.
Creation date: 08/09/2015.
Références of this weakness: 3089664, CERTFR-2015-AVI-379, CVE-2015-2522, MS15-099, VIGILANCE-VUL-17846.

Description of the vulnerability 

The Microsoft SharePoint 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 Microsoft SharePoint, in order to run JavaScript code in the context of the web site.
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This security announce impacts software or systems such as Office, Access, Office Communicator, Excel, OneNote, Outlook, PowerPoint, Project, Publisher, MOSS, Visio, Word.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this computer vulnerability announce.

Solutions for this threat 

Microsoft Office, SharePoint: patch.
A patch is indicated in information sources.
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