CVE-2018-8426 — MEDIUM (5.4)

Vulnerability Description

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.

CVSS Score

5.4

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Sharepoint Enterprise Server 2013	-
Microsoft	Sharepoint Enterprise Server 2016	-
Microsoft	Sharepoint Server 2010	-

Related Weaknesses (CWE)

CWE-79

References

http://www.securityfocus.com/bid/105208Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041640Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426PatchVendor Advisory
http://www.securityfocus.com/bid/105208Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041640Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426PatchVendor Advisory

FAQ

What is CVE-2018-8426?

CVE-2018-8426 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 Sh...

How severe is CVE-2018-8426?

CVE-2018-8426 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-8426?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Sharepoint Enterprise Server 2013, Microsoft Sharepoint Enterprise Server 2016, Microsoft Sharepoint Server 2010.