What’s Vulnerable › Vulnerabilities

CVE-2019-0558

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-08 · updated 2026-06-17
• Weakness: CWE-79

Description

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, Microsoft Business Productivity Servers. This CVE ID is unique from CVE-2019-0556, CVE-2019-0557.

Affected products

• Microsoft Business Productivity Servers: 2010-sp2
• Microsoft SharePoint Server: 2013-sp1, 2016, 2019
• Microsoft Business Productivity Servers: 2010 Service Pack 2
• Microsoft Corporation SharePoint: Enterprise Server 2013 Service Pack 1, Enterprise Server 2016
• Microsoft SharePoint Server: 2019

References

• http://www.securityfocus.com/bid/106389
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0558
• http://www.securityfocus.com/bid/106389
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0558

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