CVE-2023-21807
CVE-2023-21807 is a medium-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Microsoft Dynamics 365
- Published:
- Last modified:
Description
Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability
Frequently asked questions
- What is CVE-2023-21807?
- Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability
- How severe is CVE-2023-21807?
- CVE-2023-21807 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2023-21807 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21807?
- CVE-2023-21807 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-21807?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-21807 published?
- CVE-2023-21807 was published on 2023-02-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*
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