CVE-2023-21807

Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

MEDIUM
6.5
CVSS Score
Published: February 14, 2023 at 07:32 PM UTC
Updated: August 19, 2026 at 05:18 PM UTC
1 product affected across 1 vendorDynamics 365

Using Microsoft Dynamics 365 (on-premises) version 9.1 by Microsoft?

Get instant alerts when new vulnerabilities affect Microsoft Dynamics 365 (on-premises) version 9.1 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

9.0 ≤ v < 9.1.16.209.0.0 ≤ v < 9.0.45.119.1 ≤ v < 9.1.16.209.0 < v < 9.0.45.119.09.0.0
Affected range stops below 9.0.45.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1.16.20, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card