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.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1636629 Issue Tracking Permissions Required Vendor Advisory
https://security.gentoo.org/glsa/202202-03 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-52/ Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2021-12-08T21:20:08

Updated: 2022-02-22T00:06:15

Reserved: 2021-11-08T00:00:00


Link: CVE-2021-43540

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-12-08T22:15:09.787

Modified: 2022-07-12T17:42:04.277


Link: CVE-2021-43540

JSON object: View

cve-icon Redhat Information

No data.