CVE-2020-1456: XSS

Published Jul 14, 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-2020-1450, CVE-2020-1451.

Affected Software

4 affected components

Microsoft SharePoint Enterprise Server=2013-sp1

Microsoft SharePoint Enterprise Server=2016

Microsoft SharePoint Server=2010-sp2

Microsoft SharePoint Server=2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1456

Event History

Jul 14, 2020

CVE Published

via MITRE·10:54 PM

Data Sourced

via MITRE·10:54 PM

DescriptionWeakness

Data Sourced

via NVD·11:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2020-1456?

CVE-2020-1456 is rated as important, indicating a significant security risk that requires attention.

Which versions of Microsoft SharePoint are affected by CVE-2020-1456?

CVE-2020-1456 affects Microsoft SharePoint Server 2010 SP2, SharePoint Enterprise Server 2013 SP1, SharePoint Server 2016, and SharePoint Server 2019.

How do I fix CVE-2020-1456?

To mitigate CVE-2020-1456, apply the security updates provided by Microsoft for the affected SharePoint versions.

What type of vulnerability is CVE-2020-1456 classified as?

CVE-2020-1456 is classified as a cross-site scripting (XSS) vulnerability.

What can attackers do by exploiting CVE-2020-1456?

By exploiting CVE-2020-1456, attackers can execute arbitrary scripts in the context of a user's browser, potentially leading to data theft or further compromise.