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Vulnerability details: VCID-4ve8-3guc-aaag
Vulnerability ID VCID-4ve8-3guc-aaag
Aliases CVE-2018-12396
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12396.html
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12396.json
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.0073 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.01376 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.01598 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.01598 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
epss 0.02231 https://api.first.org/data/v1/epss?cve=CVE-2018-12396
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1642186
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12389
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12390
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12392
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12393
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12395
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12396
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12397
cvssv3 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-12396
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-12396
archlinux Critical https://security.archlinux.org/AVG-787
generic_textual Low https://ubuntu.com/security/notices/USN-3801-1
generic_textual Low https://usn.ubuntu.com/usn/usn-3801-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-26
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12396
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-27
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12396
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12396.html
https://access.redhat.com/errata/RHSA-2018:3005
https://access.redhat.com/errata/RHSA-2018:3006
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12396.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12396
https://bugzilla.mozilla.org/show_bug.cgi?id=1483602
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12389
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12390
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12392
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12393
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12395
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12396
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12397
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
https://security.gentoo.org/glsa/201811-04
https://ubuntu.com/security/notices/USN-3801-1
https://usn.ubuntu.com/3801-1/
https://usn.ubuntu.com/usn/usn-3801-1
https://www.debian.org/security/2018/dsa-4324
https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12396
https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12396
https://www.mozilla.org/security/advisories/mfsa2018-26/
https://www.mozilla.org/security/advisories/mfsa2018-27/
http://www.securityfocus.com/bid/105718
http://www.securitytracker.com/id/1041944
1642186 https://bugzilla.redhat.com/show_bug.cgi?id=1642186
ASA-201810-14 https://security.archlinux.org/ASA-201810-14
AVG-787 https://security.archlinux.org/AVG-787
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2018-12396 https://nvd.nist.gov/vuln/detail/CVE-2018-12396
mfsa2018-26 https://www.mozilla.org/en-US/security/advisories/mfsa2018-26
mfsa2018-27 https://www.mozilla.org/en-US/security/advisories/mfsa2018-27
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12396.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12396
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12396
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.61028
EPSS Score 0.00234
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.