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cve/2018/CVE-2018-5116.md
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CVE-2018-5116

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.

POC

Reference

Github

No PoCs found on GitHub currently.