CVE-2018-5134

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CVSS 3.0

7.5 high

EPSS

2%p75

Published

Jun 11, 2018 (Jun 11, 2018)

Modified

Jun 17, 2026

Description

WebExtensions may use "view-source:" URLs to view local "file:" URL content, as well as content stored in "about:cache", bypassing restrictions that only allow WebExtensions to view specific content. This vulnerability affects Firefox < 59.

Vendors: mozilla
Products: firefox
Weakness: CWE-200
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.7%)

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