CVE ID:	CVE-2021-43540
Description:	WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-43540 https://security.gentoo.org/glsa/202202-03 https://bugzilla.mozilla.org/show_bug.cgi?id=1636629 https://bugzilla.mozilla.org/show_bug.cgi?id=1636629 https://www.mozilla.org/security/advisories/mfsa2021-52/ https://www.mozilla.org/security/advisories/mfsa2021-52/