CVE-2020-16873 – Xamarin.Forms Spoofing Vulnerability

https://notcve.org/view.php?id=CVE-2020-16873

11 Sep 2020 —

A spoofing vulnerability manifests in Microsoft Xamarin.Forms due to the default settings on Android WebView version prior to 83.0.4103.106. This vulnerability could allow an attacker to execute arbitrary Javascript code on a target system.

For the attack to be successful, the targeted user would need to browse to a malicious website or a website serving the malicious code through Xamarin.Forms.

The security update addresses this vulnerability by preventing the malicious Javascript from run... • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16873 • CWE-1188: Initialization of a Resource with an Insecure Default •