UXSS Vulnerability in Google Chrome Omnibox

Publication date: 2026-06-05

Last updated on: 2026-06-08

Assigner: Chrome

Description

Insufficient validation of untrusted input in Omnibox in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-05

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11273

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.
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in the Omnibox component of Google Chrome versions prior to 149.0.7827.53. It allows a remote attacker to inject arbitrary scripts or HTML (known as UXSS or Universal Cross-Site Scripting) by convincing a user to perform specific user interface gestures on a specially crafted HTML page.

Impact Analysis

The impact of this vulnerability is that an attacker can execute arbitrary scripts or HTML in the context of the affected browser by tricking the user into interacting with a malicious page. This could lead to unauthorized actions, data theft, or manipulation of the user's browsing experience.

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