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Vulnerability details: VCID-ndu1-2s48-pucm
Vulnerability ID VCID-ndu1-2s48-pucm
Aliases CVE-2017-15878
GHSA-7qcx-jmrc-h2rr
Summary Cross-site Scripting Possible Cross-site scripting via the "Contact Us feature".
Status Published
Exploitability None
Weighted Severity None
Risk None
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 6.1 http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
generic_textual MODERATE http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
epss 0.03604 https://api.first.org/data/v1/epss?cve=CVE-2017-15878
cvssv3.1 6.1 https://github.com/advisories/GHSA-7qcx-jmrc-h2rr
generic_textual MODERATE https://github.com/advisories/GHSA-7qcx-jmrc-h2rr
cvssv3.1 6.1 https://github.com/keystonejs/keystone
generic_textual MODERATE https://github.com/keystonejs/keystone
cvssv3.1 6.1 https://github.com/keystonejs/keystone/pull/4478
generic_textual MODERATE https://github.com/keystonejs/keystone/pull/4478
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2017-15878
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2017-15878
cvssv3.1 6.1 https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html
generic_textual MODERATE https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html
cvssv3.1 6.1 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 6.1 https://www.exploit-db.com/exploits/43054
generic_textual MODERATE https://www.exploit-db.com/exploits/43054
cvssv3.1 6.1 https://www.npmjs.com/advisories/980
generic_textual MODERATE https://www.npmjs.com/advisories/980
cvssv3.1 6.1 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-2017-15878
https://github.com/advisories/GHSA-7qcx-jmrc-h2rr
https://github.com/keystonejs/keystone
https://github.com/keystonejs/keystone/pull/4478
https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html
https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
https://www.exploit-db.com/exploits/43054
https://www.exploit-db.com/exploits/43054/
https://www.npmjs.com/advisories/980
http://www.securityfocus.com/bid/101541
CVE-2017-15878 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/nodejs/webapps/43054.txt
CVE-2017-15878 https://nvd.nist.gov/vuln/detail/CVE-2017-15878
Data source Exploit-DB
Date added Oct. 25, 2017
Description KeystoneJS 4.0.0-beta.5 - Cross-Site Scripting
Ransomware campaign use Unknown
Source publication date Oct. 25, 2017
Exploit type webapps
Platform nodejs
Source update date Oct. 25, 2017
Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/advisories/GHSA-7qcx-jmrc-h2rr
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://github.com/keystonejs/keystone
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://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:3.0/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-2017-15878
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://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html
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://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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.exploit-db.com/exploits/43054
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://www.npmjs.com/advisories/980
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 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 0.87985
EPSS Score 0.03604
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:37:16.346152+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/keystone/CVE-2017-15878.yml 38.6.0