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CVE-2017-15881

4.8 · MEDIUM

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"…

Published Oct 24, 2017CWE-79EPSS 1.21%

Overview

CVE-2017-15881 is a medium-severity vulnerability. It was published on October 24, 2017 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblog.securelayer7.net/keystonejs-open-source-penetration-testing-report/Refwww.securityfocus.com/bid/101541GitHubgithub.com/keystonejs/keystone/issues/4437GitHubgithub.com/keystonejs/keystone/pull/4478Refblog.securelayer7.net/keystonejs-open-source-penetration-testing-report/Refwww.securityfocus.com/bid/101541GitHubgithub.com/keystonejs/keystone/issues/4437GitHubgithub.com/keystonejs/keystone/pull/4478

How CyberStrike helps

Frequently asked questions

What is CVE-2017-15881?

CVE-2017-15881 is a medium-severity vulnerability. It was published on October 24, 2017 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2017-15881?

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-15881?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-15881?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-15881 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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