CVE-2020-16873
<p>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.</p> <p>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.</p> <p>The security update addresses this vulnerability by preventing the malicious Javascript from running in the WebView.</p>
Published:Sep 11, 2020
Last Modified:Feb 23, 2026
EPS:Sep 11, 2020
EPSS Score:0.0119
CVSS Score:4.7
Affected Products
Vendor
Product
Action
Vendor
Google
Product
Chrome
Google
Chrome
Vendor
Microsoft
Product
Xamarin.forms
Microsoft
Xamarin.forms
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
