CVSS v3
9.8
CRITICAL
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Prototype pollution vulnerability in function DEFNODE in ast.js in mishoo UglifyJS 3.13.2 via the name variable in ast.js. NOTE: the vendor considers this an invalid report.
Technical details
- Published
- 2022-10-20
Frequently asked questions
What is CVE-2022-37598?
Prototype pollution vulnerability in function DEFNODE in ast.js in mishoo UglifyJS 3.13.2 via the name variable in ast.js. NOTE: the vendor considers this an invalid report.
Is CVE-2022-37598 actively exploited?
Active exploitation of CVE-2022-37598 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-37598?
CVE-2022-37598 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-37598 affecting your environment?
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