Search for vulnerabilities
Vulnerability details: VCID-4951-ra69-aaaf
Vulnerability ID VCID-4951-ra69-aaaf
Aliases CVE-2018-18495
Summary WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (6)
CWE-732 Incorrect Permission Assignment for Critical Resource
CWE-20 Improper Input Validation
CWE-59 Improper Link Resolution Before File Access ('Link Following')
CWE-270 Privilege Context Switching Error
CWE-552 Files or Directories Accessible to External Parties
CWE-284 Improper Access Control
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-18495.html
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18495.json
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00217 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.00725 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
epss 0.0217 https://api.first.org/data/v1/epss?cve=CVE-2018-18495
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1696138
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18495
cvssv3 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-18495
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-18495
archlinux Critical https://security.archlinux.org/AVG-833
generic_textual Low https://ubuntu.com/security/notices/USN-3844-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-29
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-18495
generic_textual Medium https://www.mozilla.org/security/advisories/mfsa2018-29/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-18495.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18495.json
https://api.first.org/data/v1/epss?cve=CVE-2018-18495
https://bugzilla.mozilla.org/show_bug.cgi?id=1427585
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18495
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-3844-1
https://usn.ubuntu.com/3844-1/
https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-18495
https://www.mozilla.org/security/advisories/mfsa2018-29/
http://www.securityfocus.com/bid/106167
1696138 https://bugzilla.redhat.com/show_bug.cgi?id=1696138
ASA-201812-9 https://security.archlinux.org/ASA-201812-9
AVG-833 https://security.archlinux.org/AVG-833
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: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:*:*:*:*:*:*:*
CVE-2018-18495 https://nvd.nist.gov/vuln/detail/CVE-2018-18495
mfsa2018-29 https://www.mozilla.org/en-US/security/advisories/mfsa2018-29
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18495.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:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/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:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18495
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:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18495
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 0.55730
EPSS Score 0.00178
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.