CVEvulnerability
CVE-2020-16873
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-09-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-1188
Description
<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>
Affected configurations
• microsoft xamarin.forms
Related
Weakness · CWE (1)
- CWE-1188 Initialization of a Resource with an Insecure Default weakness
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16873 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16873 Patch, Vendor Advisory