UXSS in Google Chrome for Android

Publication date: 2026-06-04

Last updated on: 2026-06-08

Assigner: Chrome

Description

Insufficient validation of untrusted input in Tab Group Sync in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published

2026-06-04

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11034

EUVD

EUVD-2026-34483

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in the Tab Group Sync feature of Google Chrome on Android versions prior to 149.0.7827.53. It allows a remote attacker to inject arbitrary scripts or HTML, resulting in a UXSS (Universal Cross-Site Scripting) attack via malicious network traffic.

Impact Analysis

The vulnerability can allow a remote attacker to execute arbitrary scripts or HTML in the context of the browser, potentially leading to unauthorized actions, data theft, or manipulation of web content viewed by the user.

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