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.
Published 2018-10-18 13:29:04
Updated 2019-10-03 00:03:26
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-12369

1.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-12369

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2018-12369

  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-12369

Products affected by CVE-2018-12369

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