Home/CVE/A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-be
CVE

CVE-2017-15878

A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-be

A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-beta.7 via the Contact Us feature.

MEDIUM · CVSS 6.1 EPSS 0.03604
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
keystonejs keystone< 4.0.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm keystone MODERATE fixed in 4.0.0
⚠

Public Exploits & PoCs

3
webappsKeystoneJS 4.0.0-beta.5 - Cross-Site Scripting2017-10-25
pocpacketstormsecurity.com · KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site...packetstormsecurity.com
pocwww.exploit-db.com · 43054www.exploit-db.com
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Oct 2017 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/Issue TrackingThird Party Advisory
http://www.securityfocus.com/bid/101541Third Party AdvisoryVDB Entry
https://github.com/keystonejs/keystone/pull/4478Issue TrackingPatchThird Party Advisory
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