Vulnerability Details : CVE-2018-8254
An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft Project Server, Microsoft SharePoint. This CVE ID is unique from CVE-2018-8252.
Vulnerability category: Cross site scripting (XSS)Gain privilege
Products affected by CVE-2018-8254
- cpe:2.3:a:microsoft:project_server:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8254
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8254
| 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-2018-8254
-
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-2018-8254
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8254
CVE-2018-8254 | Microsoft SharePoint Elevation of Privilege VulnerabilityPatch;Vendor Advisory
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http://www.securityfocus.com/bid/104325
Microsoft SharePoint Server CVE-2018-8254 Remote Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
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http://www.securitytracker.com/id/1041106
Microsoft SharePoint Input Validation Flaws Let Remote Users Conduct Cross-Site Scripting Attacks - SecurityTrackerThird Party Advisory;VDB Entry
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