CVE-2018-8326: Microsoft Web Customizations

Medium severity, CVSS 5.4. EPSS: 2.6% chance of exploitation in the next 30 days.

A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Open Source Customization for Active Directory Federation Services XSS Vulnerability." This affects Web Customizations.

Affected products

• Microsoft Web Customizations: before 0.1 (fixed in 0.1)

Published 2018-07-11. Last modified 2026-06-17.