A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web…

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.

Scores

EPSS (exploitation in 30 days)

2.0% · top 19% of all CVEs (5 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.

Weakness

• Spoofing
• CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• Microsoft · Microsoft SharePoint Server

  • affected 2019

• Microsoft · Microsoft SharePoint

  • affected Enterprise Server 2013 Service Pack 1
  • affected Enterprise Server 2016

• Microsoft · Microsoft Business Productivity Servers

  • affected 2010 Service Pack 2

References (2)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0558 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 106389 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-0558](https://trackcve.app/badge/CVE-2019-0558.svg)](https://trackcve.app/cve/CVE-2019-0558)

Record last updated 28 Feb 2025, 20:14 UTC.