CVE-2017-15878 : A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/Markd

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.

Published 2017-10-24 21:29:01

Updated 2017-11-14 15:11:20

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2017-15878

Keystonejs » Keystone » Update Beta7
Versions before (<) 4.0.0
cpe:2.3:a:keystonejs:keystone:*:beta7:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-15878

EPSS FAQ

3.60%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 87 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-15878

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2017-15878

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-15878

https://github.com/keystonejs/keystone/pull/4478

Security fixes by molomby · Pull Request #4478 · keystonejs/keystone · GitHub
Issue Tracking;Patch;Third Party Advisory

CVEs referencing this url
https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html

KeystoneJS 4.0.0-beta.5 Unauthenticated Stored Cross Site Scripting ≈ Packet Storm
Exploit;Issue Tracking;Patch;Third Party Advisory;VDB Entry
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/

KeystoneJS Open Source Penetration Testing Report
Issue Tracking;Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/101541

Thinkmill KeystoneJS Multiple HTML Injection Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://www.exploit-db.com/exploits/43054/

KeystoneJS 4.0.0-beta.5 - Cross-Site Scripting
Exploit;Issue Tracking;Patch;Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2017-15878

Products affected by CVE-2017-15878

Exploit prediction scoring system (EPSS) score for CVE-2017-15878

CVSS scores for CVE-2017-15878

CWE ids for CVE-2017-15878

References for CVE-2017-15878