Security Advisory

CVE-2022-22761

8.8
HIGH

Vulnerability Description

Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Published Date December 22, 2022
Official Source NIST NVD Advisory