What is CVE-2019-0556?

CVE-2019-0556 is a medium-severity vulnerability in Microsoft Sharepoint, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-01-08.

How severe is CVE-2019-0556?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Microsoft Sharepoint

CVE-2019-0556

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 affec…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.016 (73.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Microsoft Sharepoint — versions Enterprise Server 2013 Service Pack 1
Microsoft Sharepoint_server — versions 2013

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-0556?: CVE-2019-0556 is a medium-severity vulnerability in Microsoft Sharepoint, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-01-08.
How severe is CVE-2019-0556?: Medium severity. CVSS v3 base score is 5.4 out of 10.