CVE-2017-5391

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Special "about:" pages used by web content, such as RSS feeds, can load privileged "about:" pages in an iframe. If a content-injection bug were found in one of those pages this could allow for potential privilege escalation. This vulnerability affects Firefox < 51.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published: Jun 11, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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