CVE-2026-17728

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UXSS Vulnerability in Google Chrome Extensions

Publication date: 2026-07-30

Last updated on: 2026-08-10

Assigner: Chrome

Description

Inappropriate implementation in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-30

Last Modified

2026-08-10

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17728

EUVD

EUVD-2026-50677

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
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 is a type of Cross-Site Scripting (XSS) flaw in Google Chrome's Extensions feature. It allows a remote attacker to inject malicious scripts or HTML code into web pages viewed by users. The issue stems from an inappropriate implementation in Chrome's code before version 151.0.7922.72.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.72. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If your version is below 151.0.7922.72, the system is vulnerable. Update Chrome to the latest version to mitigate the issue.

Impact Analysis

If exploited, this vulnerability could allow attackers to steal sensitive data like login credentials or personal information from affected websites. It may also enable them to perform actions on behalf of the user without consent, such as making unauthorized transactions or spreading malware.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face legal penalties, reputational damage, and loss of customer trust if such breaches occur due to inadequate security measures.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the vulnerability.

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