Medium severity5.4NVD Advisory· Published Jan 8, 2019· Updated Jun 17, 2026

CVE-2019-0558

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/Sharepoint Serverllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 2019
Microsoft/Microsoft Business Productivity Serversv5
Range: 2010 Service Pack 2
Microsoft/Office SharePointcpe-rescue
Range: Enterprise Server 2013 Service Pack 1

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0558nvdPatchVendor Advisory
www.securityfocus.com/bid/106389nvdThird Party AdvisoryVDB Entry

News mentions

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cvss	0.351
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000