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Vulnerability of Cisco IP Phone: Cross Site Scripting via Multiplatform Firmware

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting via Multiplatform Firmware of Cisco IP Phone, in order to run JavaScript code in the context of the web site.
Vulnerable products: Cisco IP Phone.
Severity of this weakness: 2/4.
Creation date: 09/01/2020.
Références of this bulletin: CERTFR-2020-AVI-014, cisco-sa-20200108-iphone-xss, CSCvq85331, CVE-2019-16008, VIGILANCE-VUL-31284.

Description of the vulnerability 

The Cisco IP Phone product offers a web service.

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

An attacker can therefore trigger a Cross Site Scripting via Multiplatform Firmware of Cisco IP Phone, in order to run JavaScript code in the context of the web site.
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This vulnerability alert impacts software or systems such as Cisco IP Phone.

Our Vigil@nce team determined that the severity of this computer weakness alert 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 vulnerability.

Solutions for this threat 

Cisco IP Phone: solution CSCvq85331.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq85331
  https://tools.cisco.com/bugsearch/bug/CSCvq85331
  https://tools.cisco.com/quickview/bug/CSCvq85331
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Computer vulnerabilities tracking service 

Vigil@nce provides a software vulnerability alert. The technology watch team tracks security threats targeting the computer system.