CVE-2026-7958
Undergoing Analysis Undergoing Analysis - In Progress
ServiceWorker UXSS in Google Chrome

Publication date: 2026-05-06

Last updated on: 2026-05-07

Assigner: Chrome

Description
Inappropriate implementation in ServiceWorker in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts or HTML (UXSS) via a crafted Chrome Extension. (Chromium security severity: Medium)
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Meta Information
Published
2026-05-06
Last Modified
2026-05-07
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-14
NVD
CVE-2026-7958
EUVD
EUVD-2026-28019
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 148.0.7778.96 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

This vulnerability is an inappropriate implementation in the ServiceWorker component of Google Chrome versions prior to 148.0.7778.96. It allows an attacker who convinces a user to install a malicious Chrome extension to inject arbitrary scripts or HTML content. This type of attack is known as UXSS (Universal Cross-Site Scripting).

Impact Analysis

If exploited, this vulnerability can allow an attacker to execute arbitrary scripts or inject HTML in the context of the browser. This can lead to unauthorized actions, data theft, or manipulation of web content viewed by the user.

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