Vulnerability identifier: #VU7283
Vulnerability risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Dynamics 365
Web applications /
CRM systems
Vendor: Microsoft
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when processing "requiredFields" HTTP GET parameter in "/_controls/EditFilterControl/SyncFilterPage.aspx" script. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Exploitation example:
Mitigation
Install update from vendor's website.
Vulnerable software versions
Microsoft Dynamics 365: 2016
External links
http://remoteawesomethoughts.blogspot.cz/2017/06/cross-site-scripting-vulnerability-in.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.