CVE-2018-8326

Severity: medium (CVSS 5.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-11 · updated 2026-06-17
Weakness: CWE-79

Description

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
Microsoft Web Customizations: Active Directory Federation Services

How to fix

Upgrade to a fixed version: Microsoft Web Customizations 0.1. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/104656
http://www.securitytracker.com/id/1041266
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8326
http://www.securityfocus.com/bid/104656
http://www.securitytracker.com/id/1041266
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8326

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