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CVE-2018-8651

21
FAUCET Score

CVE-2018-8651 is a cross-site scripting (XSS) vulnerability affecting Microsoft Dynamics NAV, stemming from improper sanitization of web requests. This medium-severity vulnerability (CVSS 5.4) requires user interaction and low privileges, allowing an attacker to execute arbitrary scripts in the victim's browser, potentially leading to information disclosure or limited data manipulation. While there is no known public exploit code or active exploitation, the vulnerability has garnered some community discussion and media coverage, indicating a degree of awareness.

Impacted Technologies

VendorProductVersion(s)CPE
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_nav:2016:*:*:*:*:*:*:*
2017CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_nav:2017:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

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 Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.46%
Probability of exploitation in next 30 days
EPSS Percentile
70.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0146 is in the 96th percentile among its peer group of 15,222 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Dynamics NAV 2017
View patch
microsoftpatch availablevia msrc
Product: Microsoft Dynamics NAV 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft Dynamics NAV 2013 R2
View patch

Vendor Advisories (1)

microsoft2018-Dec/CVE-2018-8651Important

Microsoft Dynamics NAV Cross Site Scripting Vulnerability

Dec 11, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8651
PatchVendor Advisory
securityfocus.com / bid/106077
Third Party AdvisoryVDB Entry