CVE-2017-15878
medium
CVSS v3
6.1
CVSS v4 NEW
—
VIR risk
7.1
Description
Cross-Site Scripting in keystone
Predictions
Exploit likelihood
71%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
KeystoneJS 4.0.0-beta.5 - Cross-Site Scripting
Source code queued for fetch — refresh in a moment.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | keystone | <4.0.0 | 4.0.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| keystonejs | keystone | {"endExcluding":"4.0.0"} | 4.0.0 |
References
- http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/
- http://www.securityfocus.com/bid/101541
- https://github.com/keystonejs/keystone/pull/4478
- https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/43054/
- https://nvd.nist.gov/vuln/detail/CVE-2017-15878
- https://github.com/advisories/GHSA-7qcx-jmrc-h2rr
- https://github.com/keystonejs/keystone
- https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
- https://www.exploit-db.com/exploits/43054
- https://www.npmjs.com/advisories/980
- http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.