Severity
High
Analysis Summary
CVE-2023-21571 CVSS:5.4
Microsoft Dynamics 365 (on-premises) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVE-2023-21572 CVSS:6.5
Microsoft Dynamics 365 (on-premises) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVE-2023-21573 CVSS:5.4
Microsoft Dynamics 365 (on-premises) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
Impact
- Gain Access
Indicators Of Compromise
CVE
- CVE-2023-21571
- CVE-2023-21572
- CVE-2023-21573
Affected Vendors
Microsoft
Affected Products
- Microsoft Dynamics 365 (on-premises) 9.1
- Microsoft Dynamics 365 (on-premises) 9.0
Remediation
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.