CVE-2020-0923: XSS

Published Apr 15, 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-2020-0924, CVE-2020-0925, CVE-2020-0926, CVE-2020-0927, CVE-2020-0930, CVE-2020-0933, CVE-2020-0954, CVE-2020-0973, CVE-2020-0978.

Affected Software

4 affected components

Microsoft SharePoint Enterprise Server=2013-sp1

Microsoft SharePoint Enterprise Server=2016

Microsoft SharePoint Foundation=2013-sp1

Microsoft SharePoint Server=2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0923

Event History

Apr 15, 2020

CVE Published

via MITRE·03:12 PM

Data Sourced

via MITRE·03:12 PM

DescriptionWeakness

Data Sourced

via NVD·03:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2020-0923?

CVE-2020-0923 has been rated as important due to its potential impact on Microsoft SharePoint servers.

How do I fix CVE-2020-0923?

To mitigate CVE-2020-0923, ensure that your Microsoft SharePoint Software is updated with the latest security patches provided by Microsoft.

Which versions of SharePoint are affected by CVE-2020-0923?

CVE-2020-0923 affects Microsoft SharePoint Enterprise Server 2013 SP1, SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.

What type of vulnerability is CVE-2020-0923?

CVE-2020-0923 is classified as a cross-site scripting (XSS) vulnerability.

What could an attacker accomplish by exploiting CVE-2020-0923?

An attacker exploiting CVE-2020-0923 could execute arbitrary scripts in the context of the user's session, leading to potential data theft or session hijacking.