CVE-2017-5391

—

CVSS 3.0

9.8 critical

EPSS

2%p77

Published

Jun 11, 2018 (Jun 11, 2018)

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.

Vendors: mozilla
Products: firefox
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.8%)

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