CVE-2018-12369

WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. This allowed a malicious WebExtension to gain full browser permissions. This vulnerability affects Firefox ESR < 60.1 and Firefox < 61.

• CWE-863

• http://www.securityfocus.com/bid/104561Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041193Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1454909Issue Tracking, Permissions Required, Vendor Advisory
• https://security.gentoo.org/glsa/201810-01Third Party Advisory
• https://usn.ubuntu.com/3705-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-16/Vendor Advisory
• http://www.securityfocus.com/bid/104561Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041193Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1454909Issue Tracking, Permissions Required, Vendor Advisory
• https://security.gentoo.org/glsa/201810-01Third Party Advisory
• https://usn.ubuntu.com/3705-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-16/Vendor Advisory

Published

Oct 18, 2018

Last Modified

Jun 17, 2026

Status

Modified

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