CVE-2017-11820

Microsoft SharePoint Enterprise Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016 allow an attacker to exploit a cross-site scripting (XSS) vulnerability by sending a specially crafted request to an affected SharePoint server, due to how SharePoint Server sanitizes web requests, aka "Microsoft Office SharePoint XSS Vulnerability". This CVE ID is unique from CVE-2017-11775 and CVE-2017-11777.

• CWE-79

• http://www.securityfocus.com/bid/101097Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039540Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11820Patch, Vendor Advisory
• http://www.securityfocus.com/bid/101097Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039540Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11820Patch, Vendor Advisory

Published

Oct 13, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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