CVE-2017-15881

Name: CVE-2017-15881
Creator: NVD / NIST
Published: 2017-10-24T22:29:00.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.21%

Last modified Jun 17, 2026

CVE-2017-15881 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Cross-Site Scripting vulnerability in KeystoneJS before 4.0.0-beta.7 allows remote authenticated administrators to inject arbitrary web script or HTML via the "content brief" or "content extended" field, a different vulnerability than CVE-2017-15878.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

Description

Cross-Site Scripting vulnerability in KeystoneJS before 4.0.0-beta.7 allows remote authenticated administrators to inject arbitrary web script or HTML via the "content brief" or "content extended" field, a different vulnerability than CVE-2017-15878.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.21%

64.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Keystonejs	Keystone	<= 0.3.22
Keystonejs	Keystone	4.0.0

References

http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/Issue Tracking, Third Party Advisory
http://www.securityfocus.com/bid/101541Third Party Advisory, VDB Entry
https://github.com/keystonejs/keystone/issues/4437Issue Tracking, Third Party Advisory
https://github.com/keystonejs/keystone/pull/4478Issue Tracking, Patch, Third Party Advisory
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/Issue Tracking, Third Party Advisory
http://www.securityfocus.com/bid/101541Third Party Advisory, VDB Entry
https://github.com/keystonejs/keystone/issues/4437Issue Tracking, Third Party Advisory
https://github.com/keystonejs/keystone/pull/4478Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Oct 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15881?

How severe is CVE-2017-15881?

CVE-2017-15881 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15881?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-15881?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST