Security Advisory

CVE-2018-5116

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2018-06-11 21:00:00

Last updated 2024-08-05 05:26:46

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

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.

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