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Trio Devices - Improper Neutralization of Input During Web Page Generation

Vulnerability Summary

A stored cross-site scripting (XSS) vulnerability was identified in the Polycom Trio admin interface. This requires physical access to the device to exploit the vulnerability. 



CVE 2018-14935 - Trio Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The Web administration console on Polycom Trio devices with software before 5.5.4 has XSS.

Poly released a firmware update to address this vulnerability.  There is no workaround.


Last Update: 3/14/2022
Initial Public Release: 9/13/2018
Advisory ID:  PLYVC18-10

CVE ID: CVE-2018-14935
CVSS Score: 6.1

Product Affected

Poly UC Software 5.5.4

Poly UC Software 5.7.2 and above

Poly recommends customers upgrade to firmware build 5.7.2 or later. 



There is no workaround.


Any customer using an affected system who is concerned about this vulnerability within their deployment should contact Poly Technical Support(888) 248-4143, (916) 928-7561, or visit the Poly Support Site.



Poly would like to thank Phil Wilcox from Cyberis Ltd. for reporting security vulnerabilities to us and for their coordinated disclosure.

Revision History
1.0 11/1/2018 Initial Release
2.0 3/14/2022 Format Changes

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