UXSS Vulnerability in Chrome for iOS

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 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: High)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-13812

EUVD

EUVD-2026-40498

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 150.0.7871.47 (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 is an insufficient validation of untrusted input in Google Chrome for iOS versions prior to 150.0.7871.47. It allows a remote attacker to inject arbitrary scripts or HTML (known as UXSS - Universal Cross-Site Scripting) by convincing a user to perform specific UI gestures on a specially crafted HTML page.

Impact Analysis

The vulnerability can lead to an attacker executing arbitrary scripts or HTML in the context of the browser, potentially allowing them to steal sensitive information, hijack user sessions, or perform actions on behalf of the user without their consent.

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