Medium severity · published Sep 13, 2018
CVE-2018-8426
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…
5.4
CVSS
2.3%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Sharepoint Enterprise Server 2013 · Microsoft
All versions, or not specified · source: NVD
SE
Sharepoint Enterprise Server 2016 · Microsoft
All versions, or not specified · source: NVD
SS
Sharepoint Server 2010 · Microsoft
All versions, or not specified · source: NVD
Affected product
SE
Sharepoint Enterprise Server 2013
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8426
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8426
Third Party Advisory
http://www.securityfocus.com/bid/105208
Third Party Advisory
http://www.securitytracker.com/id/1041640
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426
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