Main Vulnerability Database Vulnerabilities #VU15846

Stored Cross-site scripting in Microsoft Windows and Windows Server - CVE-2018-8547

Published: November 13, 2018

Vulnerability identifier: #VU15846

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

CVE-ID: CVE-2018-8547

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Microsoft Active Directory Federation Services (AD FS). A remote authenticated attacker can send a specially crafted request to the affected AD FS server, store XSS payload on it and execute it in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change permissions and delete content.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2018-8547

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547

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