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CVE
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CVE-2018-12396Date: (C)2019-05-30   (M)2024-03-27


A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 4.3
Exploit Score: 2.8Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: HIGH 
Availability: NONE 
  
Reference:
SECTRACK-1041944
BID-105718
DSA-4324
GLSA-201811-04
RHSA-2018:3005
RHSA-2018:3006
USN-3801-1
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1483602
https://www.mozilla.org/security/advisories/mfsa2018-26/
https://www.mozilla.org/security/advisories/mfsa2018-27/

CPE    334
cpe:/a:mozilla:firefox:37.0
cpe:/a:mozilla:firefox:14.0
cpe:/a:mozilla:firefox_esr:17.0.10
cpe:/a:mozilla:firefox_esr:38.0
...
CWE    1
CWE-732
OVAL    20
oval:org.secpod.oval:def:89002057
oval:org.secpod.oval:def:2103524
oval:org.secpod.oval:def:48206
oval:org.secpod.oval:def:204895
...

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