CVEs-PoC/2022/CVE-2022-22761.md

CVE-2022-22761

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.

POC

Reference

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

Github

No PoCs found on GitHub currently.