CVE-2018-8426

moderate-risk
Published 2018-09-13

A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft Office SharePoint XSS Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint.

Do I need to act?

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0.90% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (3)

Sharepoint Server 2010

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/105208
Third Party Advisory http://www.securitytracker.com/id/1041640
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426
Third Party Advisory http://www.securityfocus.com/bid/105208
Third Party Advisory http://www.securitytracker.com/id/1041640
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426
33
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 3/34 · Minimal
Exposure 9/34 · Low