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CVE-2017-16570

38
FAUCET Score

CVE-2017-16570 describes an application-wide Cross-Site Request Forgery (CSRF) bypass vulnerability affecting KeystoneJS before version 4.0.0-beta.7. The flaw allows attackers to bypass CSRF protection by simply omitting the x-csrf-token header, as the application fails to reject such requests. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk with potential for high impact on confidentiality, integrity, and availability, requiring user interaction but being network exploitable with low attack complexity. While not listed in CISA's KEV catalog and showing no active exploitation or significant community discussion, a public exploit is available on ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.0CPE matchmatch criteria
cpe:2.3:a:keystonejs:keystone:*:beta7:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.21%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-43922 · Jan 28, 2018
This CVE's current EPSS score of 0.0221 is in the 80th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: keystoneFixed in: 4.0.0-beta.7

Vendor Advisories (1)

npmGHSA-q43c-g2g7-6gxjhigh

Cross-Site Request Forgery (CSRF) in keystone

Nov 30, 2017

References

blog.securelayer7.net / keystonejs-open-source-penetration-testing-report
Issue TrackingThird Party Advisory
github.com / keystonejs/keystone/issues/4437
Issue TrackingThird Party Advisory
github.com / keystonejs/keystone/pull/4478
Issue TrackingThird Party Advisory
exploit-db.com / exploits/43922