CVE-2018-0208: Cisco Email Encryption

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of the (cloud based) Cisco Registered Envelope Service could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected service. The vulnerability is due to insufficient validation of user-supplied input that is processed by the web-based management interface of the affected service. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive browser-based information. Cisco Bug IDs: CSCvg74126.

Affected products

• Cisco Email Encryption: version 5.3.0 only

Published 2018-03-08. Last modified 2026-06-17.