CVE-2018-0199: Cisco Jabber

Medium severity, CVSS 6.1. EPSS: 2% chance of exploitation in the next 30 days.

A vulnerability in Cisco Jabber Client Framework (JCF) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of an affected device. The vulnerability is due to improper neutralization of script in attributes in a web page. An attacker could exploit this vulnerability by executing arbitrary JavaScript in the Jabber client of the recipient. An exploit could allow the attacker to perform remote code execution. Cisco Bug IDs: CSCve53989.

Affected products

• Cisco Jabber: version 11.9 only; version 11.9(0) only; affected versions not specified

Published 2018-02-22. Last modified 2026-06-17.