What is CVE-2018-8426?

CVE-2018-8426 is a cross-site scripting (XSS) vulnerability that exists in Microsoft SharePoint Server.

How does CVE-2018-8426 affect Microsoft SharePoint Server?

CVE-2018-8426 affects Microsoft SharePoint Server by allowing an attacker to execute malicious scripts in the context of the user's browser.

What is the severity of CVE-2018-8426?

The severity of CVE-2018-8426 is medium with a CVSS score of 5.4.

How can I fix CVE-2018-8426 in Microsoft SharePoint Server 2010?

To fix CVE-2018-8426 in Microsoft SharePoint Server 2010, apply Service Pack 2 (SP2) or later.

Where can I find more information about CVE-2018-8426?

You can find more information about CVE-2018-8426 on the Microsoft Security Guidance Advisory for CVE-2018-8426.

Vulnerability/
CVE-2018-8426

medium

5.4

CWE

13/9/2018

5/8/2024

CVE-2018-8426: XSS

First published: Thu Sep 13 2018(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 affects Microsoft SharePoint Server, Microsoft SharePoint.

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft SharePoint Enterprise Server 2013	=sp1
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2010	=sp2

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426

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Reference Links

Frequently Asked Questions

What is CVE-2018-8426?
CVE-2018-8426 is a cross-site scripting (XSS) vulnerability that exists in Microsoft SharePoint Server.
How does CVE-2018-8426 affect Microsoft SharePoint Server?
CVE-2018-8426 affects Microsoft SharePoint Server by allowing an attacker to execute malicious scripts in the context of the user's browser.
What is the severity of CVE-2018-8426?
The severity of CVE-2018-8426 is medium with a CVSS score of 5.4.
How can I fix CVE-2018-8426 in Microsoft SharePoint Server 2010?
To fix CVE-2018-8426 in Microsoft SharePoint Server 2010, apply Service Pack 2 (SP2) or later.
Where can I find more information about CVE-2018-8426?
You can find more information about CVE-2018-8426 on the Microsoft Security Guidance Advisory for CVE-2018-8426.

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agent/type
agent/event
agent/softwarecombine
agent/last-modified-date
agent/remedy
agent/tags
agent/first-publish-date
collector/mitre-cve
source/MITRE
vendor/microsoft
canonical/microsoft sharepoint enterprise server 2013
version/microsoft sharepoint enterprise server 2013/sp1
canonical/microsoft sharepoint enterprise server 2016
canonical/microsoft sharepoint server 2010
version/microsoft sharepoint server 2010/sp2

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