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CVE-2019-18841

23
FAUCET Score

CVE-2019-18841 describes a prototype pollution vulnerability in Chartkick.js versions 3.1.0 through 3.1.3, specifically when used with the Chartkick Ruby gem prior to version 3.3.0. This vulnerability carries a CVSS score of 7.3 (HIGH), indicating a significant risk due to its network-based attack vector and low attack complexity. A successful exploit could lead to low impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, and no public exploit code or significant community discussion has been observed for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.1.0, <= 3.1.3CPE matchmatch criteria
cpe:2.3:a:chartkick:chartkick.js:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 50th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: chartkickFixed in: 3.2.0
rubygemspatch availablevia ghsa
Product: chartkickFixed in: 3.3.0

Vendor Advisories (1)

rubygemsGHSA-5pm8-492c-92p5high

Prototype Pollution in chartkick

Dec 2, 2019

References

chartkick.com
Product
github.com / ankane/chartkick/blob/master/CHANGELOG.md
ProductRelease Notes
github.com / ankane/chartkick/commit/b810936bbf687bc74c5b6dba72d2397a399885fa
Patch
github.com / ankane/chartkick/commits/master
Patch
github.com / ankane/chartkick.js/issues/117
Third Party Advisory
rubygems.org / gems/chartkick
ProductRelease Notes