CVE-2018-8650: microsoft microsoft sharepoint Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 12-12-2018Last modified 28-02-2025
Vulnerability summary
CVE-2018-8650 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in microsoft microsoft sharepoint. EPSS estimates a 1.58% chance of exploitation in the next 30 days, higher than 75.1% of scored vulnerabilities.
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)EPSS score
1.58%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-12-2018PublishedVulnerability first disclosed.
- 28-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 5.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Medium 5.4Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.58%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.58% on 18-09-2026
18-09-202618-10-2026
EPSS score1.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft2 products
- microsoft sharepointEnterprise Server 2016
- sharepoint_enterprise_server2016
1 vendor · 2 products
References
2 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8650X Refsource CONFIRMPatchVendor Advisory