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CVE-2026-7958

Medium

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)

SeverityMedium
CVSS5.4
Exploit probability—
ProductGoogle Chrome
PublishedMay 6, 2026
First seenMay 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update
  • google chrome148.0.7778.96 or later

Affected products

ProductAffected versionsFixed in
google chromev < 148.0.7778.96148.0.7778.96

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