Published: 11/06/2018 Updated: 08/08/2018

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 50.

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mozilla firefox

Firefox could be made to crash or run programs as your login if it opened a malicious website ...

An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list This allows a malicious extension to then install additional extensions without explicit user permission This vulnerability affects Firefox < 50 ...

Mozilla Foundation Security Advisory 2016-89 Security vulnerabilities fixed in Firefox 50 Announced November 15, 2016 Impact critical Products Firefox Fixed in Firefox 50 ...

An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list This allows a malicious extension to then install additional extensions without explicit user permission ...

CWE-264 https://www.mozilla.org/security/advisories/mfsa2016-89/https://bugzilla.mozilla.org/show_bug.cgi?id=1295324 http://www.securitytracker.com/id/1037298 http://www.securityfocus.com/bid/94337 https://nvd.nist.gov https://usn.ubuntu.com/3124-1/

CVE-2016-9075

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