#VU9898 Cross-site scripting in Microsoft SharePoint Server - CVE-2018-0789
Published: January 9, 2018
Vulnerability identifier: #VU9898
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-0789
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft SharePoint Server
Software vendor:
Microsoft
Microsoft
Description
Vulnerability allows a remote authenticated attacker to perform XSS attacks.
The vulnerability is caused by an input validation error of a specially crafted web request to an affected SharePoint server. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.