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.
Published: 2018-06-11
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-16902 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.
Ubuntu USN Ubuntu USN USN-3544-1 Firefox vulnerabilities
History

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Subscriptions

Canonical Ubuntu Linux
Mozilla Firefox
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

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

Reserved: 2018-01-03T00:00:00.000Z

Link: CVE-2018-5116

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T04:08:08.513

Link: CVE-2018-5116

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses