CVE-2022-22761 Information

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.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1745566 https://www.mozilla.org/security/advisories/mfsa2022-06/ https://www.mozilla.org/security/advisories/mfsa2022-05/ https://www.mozilla.org/security/advisories/mfsa2022-04/