CVE-2019-18841
Prototype Pollution in chartkick
7.3
HIGH
CVSS 3.1
EPSS 0.62%
Description
Affected versions of `@polymer/polymer` are vulnerable to prototype pollution. The package fails to prevent modification of object prototypes through chart options containing a payload such as `{"__proto__": {"polluted": true}}`. It is possible to achieve the same results if a chart loads data from a malicious server. ## Recommendation Upgrade to version 3.2.0 or later.
How to fix CVE-2019-18841
To remediate CVE-2019-18841, upgrade the affected package to a fixed version below.
- —upgrade to 3.2.0 or later
- —upgrade to 3.3.0 or later
Is CVE-2019-18841 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.1.0, < 3.2.0
- from 0, < 3.3.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |