Search for vulnerabilities
Vulnerability details: VCID-t7da-kan6-ebe6
Vulnerability ID VCID-t7da-kan6-ebe6
Aliases CVE-2017-5386
Summary WebExtension scripts can use the data: protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 7.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5386.json
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
epss 0.01186 https://api.first.org/data/v1/epss?cve=CVE-2017-5386
cvssv2 4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-5386
cvssv3 7.3 https://nvd.nist.gov/vuln/detail/CVE-2017-5386
archlinux Critical https://security.archlinux.org/AVG-157
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-01
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-02
Reference id Reference type URL
http://rhn.redhat.com/errata/RHSA-2017-0190.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5386.json
https://api.first.org/data/v1/epss?cve=CVE-2017-5386
https://bugzilla.mozilla.org/show_bug.cgi?id=1319070
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5373
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5375
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5376
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5378
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5380
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5383
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5386
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5390
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5396
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201702-22
https://www.debian.org/security/2017/dsa-3771
https://www.mozilla.org/security/advisories/mfsa2017-01/
https://www.mozilla.org/security/advisories/mfsa2017-02/
http://www.securityfocus.com/bid/95769
http://www.securitytracker.com/id/1037693
1416282 https://bugzilla.redhat.com/show_bug.cgi?id=1416282
ASA-201701-39 https://security.archlinux.org/ASA-201701-39
AVG-157 https://security.archlinux.org/AVG-157
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: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:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
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:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
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:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
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-2017-5386 https://nvd.nist.gov/vuln/detail/CVE-2017-5386
mfsa2017-01 https://www.mozilla.org/en-US/security/advisories/mfsa2017-01
mfsa2017-02 https://www.mozilla.org/en-US/security/advisories/mfsa2017-02
RHSA-2017:0190 https://access.redhat.com/errata/RHSA-2017:0190
USN-3175-1 https://usn.ubuntu.com/3175-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-5386.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: AV:N/AC:H/Au:N/C:P/I:P/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5386
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:N/S:U/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5386
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 0.77926
EPSS Score 0.01186
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:22.136294+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-02.yml 37.0.0