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Vulnerability details: VCID-cvax-deu4-23eb
Vulnerability ID VCID-cvax-deu4-23eb
Aliases CVE-2017-7799
Summary JavaScript in the about:webrtc page is not sanitized properly being assigned to innerHTML. Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7799.json
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
epss 0.00495 https://api.first.org/data/v1/epss?cve=CVE-2017-7799
cvssv2 7.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 4.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2017-7799
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2017-7799
archlinux Critical https://security.archlinux.org/AVG-375
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-18
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7799.json
https://api.first.org/data/v1/epss?cve=CVE-2017-7799
https://bugzilla.mozilla.org/show_bug.cgi?id=1372509
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2017-18/
http://www.securityfocus.com/bid/100377
http://www.securitytracker.com/id/1039124
1479214 https://bugzilla.redhat.com/show_bug.cgi?id=1479214
ASA-201708-3 https://security.archlinux.org/ASA-201708-3
AVG-375 https://security.archlinux.org/AVG-375
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:*:*:*:*:*:*:*:*
CVE-2017-7799 https://nvd.nist.gov/vuln/detail/CVE-2017-7799
mfsa2017-18 https://www.mozilla.org/en-US/security/advisories/mfsa2017-18
USN-3391-1 https://usn.ubuntu.com/3391-1/
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-2017-7799.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:C/I:C/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: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/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-2017-7799
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:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7799
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 0.64742
EPSS Score 0.00495
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:18.829841+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-18.yml 37.0.0