CVE-2018-5134

CVE-2018-5134

EPSS 1.7%

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.

Affected products

Mozilla · Firefox

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1429379 https://usn.ubuntu.com/3596-1/https://www.mozilla.org/security/advisories/mfsa2018-06/http://www.securityfocus.com/bid/103386 http://www.securitytracker.com/id/1040514