CVE-2020-7746
CVSS v3
9.8
CRITICAL
EPSS Score
4.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
This affects the package chart.js before 2.9.4. The options parameter is not properly sanitized when it is processed. When the options are processed, the existing options (or the defaults options) are deeply merged with provided options. However, during this operation, the keys of the object being set are not checked, leading to a prototype pollution.
Technical details
- Published
- 2020-10-29
Frequently asked questions
What is CVE-2020-7746?
This affects the package chart.js before 2.9.4. The options parameter is not properly sanitized when it is processed. When the options are processed, the existing options (or the defaults options) are deeply merged with provided options. However, during this operation, the keys of the object being set are not checked, leading to a prototype pollution.
Is CVE-2020-7746 actively exploited?
Active exploitation of CVE-2020-7746 has not been confirmed. Its EPSS score was 4.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-7746?
CVE-2020-7746 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-7746 affecting your environment?
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