# CVE-2023-21571: Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability

CVE-2023-21571 is fixed in 2 products on 1 platform, first by KB5023506, released March 14, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-21571
- Priority: Routine
- CVSS: 5.4 (Important)
- EPSS: 0.0061
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Feb 14, 2023
- Weakness: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21571

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Dynamics 365 (on-premises) version 9.0 |  | [KB5023506](https://patchblox.com/security/data/fix/microsoft/kb5023506.md) | Mar 14, 2023 |
| Microsoft | Microsoft Dynamics 365 (on-premises) version 9.1 |  | [KB5023505](https://patchblox.com/security/data/fix/microsoft/kb5023505.md) | Mar 14, 2023 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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