XSS in Microsoft Windows 10

CVE-2018-8547

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 "Active Directory Federation Services XSS Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8547?
CVE-2018-8547 is a medium-severity vulnerability in Microsoft Windows 10, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-11-14.
How severe is CVE-2018-8547?
Medium severity. CVSS v3 base score is 5.4 out of 10.