Security Advisory

CVE-2026-74960

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-18 12:23:31

Last updated 2026-08-18 18:55:11

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

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