How severe is CVE-2019-18841?

CVE-2019-18841 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2019-18841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18841?

CVE-2019-18841 affects Chartkick Chartkick.js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18841?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-18841 published?

CVE-2019-18841 was published on 2019-11-11 and last updated on 2026-06-17.

CVE-2019-18841

CVE-2019-18841 is a high-severity vulnerability in Chartkick Chartkick.js with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Chartkick Chartkick.js
Published: 2019-11-11
Last modified: 2026-06-17

Description

Chartkick.js 3.1.0 through 3.1.3, as used in the Chartkick gem before 3.3.0 for Ruby, allows prototype pollution.

Frequently asked questions

What is CVE-2019-18841?: Chartkick.js 3.1.0 through 3.1.3, as used in the Chartkick gem before 3.3.0 for Ruby, allows prototype pollution.
How severe is CVE-2019-18841?: CVE-2019-18841 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2019-18841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18841?: CVE-2019-18841 affects Chartkick Chartkick.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-18841 published?: CVE-2019-18841 was published on 2019-11-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chartkick:chartkick.js:*:*:*:*:*:*:*:*