CVE-2017-15878

Public Exploit

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.60% Top 15%
Third-Party Advisory securelayer7.net Third-Party Advisory securityfocus.com Third-Party Advisory github.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory exploit-db.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/keystonejs/keystone/pull/4478 issue tracking third party advisory patch
http://www.securityfocus.com/bid/101541 vdb entry third party advisory
https://www.exploit-db.com/exploits/43054/ issue tracking patch exploit vdb entry third party advisory
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/ issue tracking third party advisory
https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html issue tracking patch exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-15878?
CVE-2017-15878 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15878?
To fix CVE-2017-15878, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15878 being actively exploited in the wild?
It is possible that CVE-2017-15878 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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