CVE-2018-0388: Cisco Wireless Lan Controller Software

Medium severity, CVSS 4.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability in the web-based interface of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of the web-based interface of an affected system. The vulnerability is due to insufficient validation of user-supplied input by the web-based interface. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information.

Affected products

• Cisco Wireless Lan Controller Software: version 8.3(133.0) only; version 8.3(135.0) only; version 8.5(120.0) only

Published 2018-10-17. Last modified 2026-06-17.