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Vulnerability details: VCID-m9p7-836k-pqfb
Vulnerability ID VCID-m9p7-836k-pqfb
Aliases CVE-2017-15881
GHSA-7cv6-gvx3-m54m
Summary Cross-site Scripting Cross-Site Scripting vulnerability in KeystoneJS allows remote authenticated administrators to inject arbitrary web script or HTML via the `content brief` or `content extended` field.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 4.8 http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
generic_textual MODERATE http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
epss 0.00466 https://api.first.org/data/v1/epss?cve=CVE-2017-15881
cvssv3.1 4.8 https://github.com/advisories/GHSA-7cv6-gvx3-m54m
generic_textual MODERATE https://github.com/advisories/GHSA-7cv6-gvx3-m54m
cvssv3.1 4.8 https://github.com/keystonejs/keystone/issues/4437
generic_textual MODERATE https://github.com/keystonejs/keystone/issues/4437
cvssv3.1 4.8 https://github.com/keystonejs/keystone/pull/4478
generic_textual MODERATE https://github.com/keystonejs/keystone/pull/4478
cvssv3.1 4.8 https://nvd.nist.gov/vuln/detail/CVE-2017-15881
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2017-15881
cvssv3.1 4.8 https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
generic_textual MODERATE https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
cvssv3.1 4.8 https://www.npmjs.com/advisories/981
generic_textual MODERATE https://www.npmjs.com/advisories/981
cvssv3.1 4.8 http://www.securityfocus.com/bid/101541
generic_textual MODERATE http://www.securityfocus.com/bid/101541
Reference id Reference type URL
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/
https://api.first.org/data/v1/epss?cve=CVE-2017-15881
https://github.com/advisories/GHSA-7cv6-gvx3-m54m
https://github.com/keystonejs/keystone/issues/4437
https://github.com/keystonejs/keystone/pull/4478
https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
https://www.npmjs.com/advisories/981
http://www.securityfocus.com/bid/101541
CVE-2017-15881 https://nvd.nist.gov/vuln/detail/CVE-2017-15881
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/advisories/GHSA-7cv6-gvx3-m54m
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/keystonejs/keystone/issues/4437
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/keystonejs/keystone/pull/4478
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-15881
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://www.npmjs.com/advisories/981
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:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at http://www.securityfocus.com/bid/101541
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 0.64737
EPSS Score 0.00466
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:37:17.823116+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/keystone/CVE-2017-15881.yml 38.6.0