CVE-2020-0893: XSS

Published Mar 12, 2020

Updated

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 CVE ID is unique from CVE-2020-0894.

Affected Software

3 affected components

Microsoft SharePoint Enterprise Server=2013-sp1

Microsoft SharePoint Enterprise Server=2016

Microsoft SharePoint Server=2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0893

Event History

Mar 12, 2020

CVE Published

via MITRE·03:48 PM

Data Sourced

via MITRE·03:48 PM

DescriptionWeakness

Data Sourced

via NVD·04:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2020-0893?

CVE-2020-0893 has a severity rating of Medium according to the Common Vulnerability Scoring System.

How do I fix CVE-2020-0893?

To fix CVE-2020-0893, apply the latest security updates provided by Microsoft for affected SharePoint Server versions.

Which versions of SharePoint are affected by CVE-2020-0893?

CVE-2020-0893 affects Microsoft SharePoint Enterprise Server 2013 SP1, SharePoint Enterprise Server 2016, and SharePoint Server 2019.

What is the nature of the vulnerability described in CVE-2020-0893?

CVE-2020-0893 is a cross-site scripting (XSS) vulnerability that allows attackers to execute arbitrary scripts in the context of a user's browser.

Is there a workaround for CVE-2020-0893?

There are no recommended workarounds for CVE-2020-0893; applying the security update is the best approach.