CVE-2021-23419
CVSS v3
9.8
CRITICAL
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.
Technical details
- Published
- 2021-08-08
Frequently asked questions
What is CVE-2021-23419?
This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.
Is CVE-2021-23419 actively exploited?
Active exploitation of CVE-2021-23419 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-23419?
CVE-2021-23419 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-23419 affecting your environment?
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