WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with this permission. This vulnerability affects Firefox < 58.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2018-06-11T21:00:00

Updated: 2024-08-05T05:26:46.975Z

Reserved: 2018-01-03T00:00:00

Link: CVE-2018-5116

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2018-06-11T21:29:13.530

Modified: 2018-06-25T17:25:37.070

Link: CVE-2018-5116

cve-icon Redhat

No data.