medium
6.3
CWE
79
Advisory Published
Updated

CVE-2020-1482: Microsoft Office SharePoint XSS Vulnerability

First published: Fri Sep 11 2020(Updated: )

<p>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. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.</p> <p>The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.</p> <p>The security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.</p>

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft SharePoint Enterprise Server 2016=2016
Microsoft SharePoint Foundation 2013=2010-sp2
Microsoft SharePoint Foundation 2013=2013-sp1
Microsoft SharePoint Server 2010=2019

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1482

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-1482?

    The severity of CVE-2020-1482 is considered high due to its potential for allowing attackers to execute scripts in the context of users' browsers.

  • How do I fix CVE-2020-1482?

    To fix CVE-2020-1482, apply the security update provided by Microsoft for the affected SharePoint versions.

  • What systems are affected by CVE-2020-1482?

    CVE-2020-1482 affects Microsoft SharePoint Server versions 2016 and 2019, as well as SharePoint Foundation versions 2010 and 2013.

  • What kind of attack is CVE-2020-1482 associated with?

    CVE-2020-1482 is associated with cross-site scripting (XSS) attacks, allowing an attacker to send specially crafted web requests.

  • Is authentication required to exploit CVE-2020-1482?

    Yes, an attacker must be authenticated to exploit the vulnerability in CVE-2020-1482.

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