Cross-site scripting in Google Chrome
Priority LOW 35CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting, Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-79 and CWE-863.
Summary
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.
Why it matters now
EPSS 0.03718 89th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 83.0.4103.106react-native-webview (npm): 11.0.0Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | before 83.0.4103.106 | 83.0.4103.106 | Patch available | CNA | |
| — | react-native-webview (npm) | before 11.0.0 | 11.0.0 | Patch available | GHSA-36j3-xxf7-4pqg |
- Chrome VendorGoogle Affected before 83.0.4103.106 Fixed in 83.0.4103.106 Patch available CNA
- react-native-webview (npm) Vendor— Affected before 11.0.0 Fixed in 11.0.0 Patch available GHSA-36j3-xxf7-4pqg
Remediation
- Fix · CNA Chrome (Google) Fixed in 83.0.4103.106
- Fix · GHSA-36j3-xxf7-4pqg react-native-webview (npm) Fixed in 11.0.0 Advisory →
Red Hat 1 advisory
- RHSA-2020:2643 Released 2020-06-22 · Red Hat rating Importantchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-83.0.4103.106-1.el6_10
- Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-83.0.4103.106-1.el6_10
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-83.0.4103.106-1.el6_10
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-83.0.4103.106-1.el6_10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Google Chrome — GLSA-202007-08
30 records Highest priority Priority MEDIUM 17 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2020-05357 Improper input validation in Google ChromePriority MEDIUM 56
- TI-2020-05371 Inappropriate implementation in external protocol handlers in Google Chrome prior to…Priority MEDIUM 45
- TI-2020-05373 Out-of-bounds write in Google ChromePriority MEDIUM 43
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2020:2643 |
| Red Hat Enterprise Linux HPC Node Supplementary (v. 6) | Fixed | RHSA-2020:2643 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2020:2643 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2020:2643 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6506
- 2026-10-03 Alias added: GHSA-36j3-xxf7-4pqg
References
Advisory 5
Other 21
- [cordova-issues] 20200929 [GitHub] [cordova-docs] purplecabbage opened a new pull request #1123: Added Security Advisory CVE-2020-6506
- [cordova-issues] 20200929 [GitHub] [cordova-docs] purplecabbage merged pull request #1123: Added Security Advisory CVE-2020-6506
- [cordova-issues] 20201001 [GitHub] [cordova-docs] dpogue commented on issue #1022: Document warnings on using remote source for <content>
- [cordova-issues] 20201007 [GitHub] [cordova-plugin-inappbrowser] carlpoole opened a new pull request #792: fix(android): Add mitigation strategy for CVE-2020-6506
- [cordova-issues] 20201116 [GitHub] [cordova-plugin-inappbrowser] NiklasMerz commented on pull request #792: fix(android): Add mitigation strategy for CVE-2020-6506
- [cordova-issues] 20201117 [GitHub] [cordova-plugin-inappbrowser] NiklasMerz merged pull request #792: fix(android): Add mitigation strategy for CVE-2020-6506
- [cordova-commits] 20201117 [cordova-plugin-inappbrowser] branch master updated: fix(android): Add mitigation strategy for CVE-2020-6506 (#792)
- https://github.com/react-native-community/react-native-webview/security/advisories/GHSA-36j3-xxf7-4pqg
- https://github.com/react-native-webview/react-native-webview/security/advisories/GHSA-36j3-xxf7-4pqg
- https://github.com/react-native-webview/react-native-webview/pull/1747
- https://www.npmjs.com/advisories/1560
- https://lists.apache.org/thread.html/rf082834ad237f78a63671aec0cef8874f9232b7614529cc3d3e304c5@%3Ccommits.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rc81e12fc9287f8743d59099b1af40f968f1cfec9eac98a63c2c62c69@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/rc0ebe639927fa09e222aa56bf5ad6e700218f334ecc6ba9da4397728@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/ra58733fbb88d5c513b3f14a14850083d506b9129103e0ab433c3f680@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r2769c33da7f7ece7e4e31837c1e1839d6657c7c13bb8d228670b8da0@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r1eadf38b38ee20405811958c8a01f78d6b28e058c84c9fa6c1a8663d@%3Cissues.cordova.apache.org%3E
- https://lists.apache.org/thread.html/r1ab80f8591d5c2147898076e3945dad1c897513630aabec556883275@%3Cissues.cordova.apache.org%3E
- https://github.com/react-native-webview/react-native-webview/releases/tag/v11.0.0
- https://github.com/react-native-community/react-native-webview
- https://alesandroortiz.com/articles/uxss-android-webview-cve-2020-6506
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2020-6506 · CVE Program
- CVE-2020-6506 · NVD
- FIRST EPSS
- GHSA-36j3-xxf7-4pqg · GitHub Advisory Database · CC BY 4.0
- CVE-2020-6506 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences