CVE-2018-15703: Advantech Webaccess

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Advantech WebAccess 8.3.2 and below is vulnerable to multiple reflected cross site scripting vulnerabilities. A remote unauthenticated attacker could potentially exploit this vulnerability by tricking a victim to supply malicious HTML or JavaScript code to WebAccess, which is then reflected back to the victim and executed by the web browser.

Affected products

• Advantech Webaccess: up to and including 8.3.2

Published 2018-10-22. Last modified 2026-06-17.