CVE-2026-8960

High

Published: 19/05/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Summary

Spoofing issue in WebExtensions, which was fixed in Firefox 151 and Thunderbird 151.

This vulnerability may allow attackers to spoof data in applications, potentially leading to unauthorized access or information manipulation.

It is recommended to update to the latest version of Firefox and Thunderbird to mitigate this vulnerability.

Original NVD description (English source)

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.