Vulnerability Details : 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 "Microsoft Office SharePoint XSS Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2018-8426
- cpe:2.3:a:microsoft:sharepoint_enterprise_server_2013:-:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_enterprise_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server_2010:-:sp2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8426
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8426
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
5.4
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2018-8426
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-8426
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426
CVE-2018-8426 | Microsoft Office SharePoint XSS VulnerabilityPatch;Vendor Advisory
-
http://www.securitytracker.com/id/1041640
Microsoft SharePoint Input Validation Flaw Lets Remote Users Conduct Cross-Site Scripting Attacks - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/105208
Microsoft Office SharePoint CVE-2018-8426 Cross Site Scripting VulnerabilityThird Party Advisory;VDB Entry
Jump to