CVE-2022-37598

Name: CVE-2022-37598
Creator: NVD / NIST
Published: 2022-10-20T11:15:10.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.35%

Last modified Jun 17, 2026

CVE-2022-37598 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Uglifyjs Project	Uglifyjs	3.13.2

References

https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L46Exploit, Third Party Advisory
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L79Exploit, Third Party Advisory
https://github.com/mishoo/UglifyJS/issues/5699Issue Tracking, Third Party Advisory
https://github.com/mishoo/UglifyJS/issues/5721#issuecomment-1292849604Third Party Advisory
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L46Exploit, Third Party Advisory
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L79Exploit, Third Party Advisory
https://github.com/mishoo/UglifyJS/issues/5699Issue Tracking, Third Party Advisory
https://github.com/mishoo/UglifyJS/issues/5721#issuecomment-1292849604Third Party Advisory

Timeline

Published: Oct 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

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.

How severe is CVE-2022-37598?

CVE-2022-37598 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37598?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37598?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST