MEDIUM · 5.4

CVE-2026-7958

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 (UXS...

Vulnerability 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)

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
GoogleChrome< 148.0.7778.96
AppleMacos-
LinuxLinux Kernel-
MicrosoftWindows-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-7958?

CVE-2026-7958 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 (UXS...

How severe is CVE-2026-7958?

CVE-2026-7958 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-7958?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.