CVE-2018-5134

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.

Score

CVSS 3.0 7.5 High

Status

Modified - security@mozilla.org

Published

2018-06-11

Last modified

2024-08-05

Weaknesses

CWE-200

Affected products

• Firefox (Mozilla)

References

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