CVE-2022-25352

Name: CVE-2022-25352
Creator: NVD / NIST
Published: 2022-03-17T12:15:08.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.03%

Last modified Jun 17, 2026

CVE-2022-25352 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package libnested before 1.5.2 are vulnerable to Prototype Pollution via the set function in index.js. **Note:** This vulnerability derives from an incomplete fix for [CVE-2020-28283](https://security.snyk.io/vuln/SNYK-JS-LIBNESTED-1054930). EPSS estimates a 2.03% chance of exploitation in the next 30 days.

Description

The package libnested before 1.5.2 are vulnerable to Prototype Pollution via the set function in index.js. **Note:** This vulnerability derives from an incomplete fix for [CVE-2020-28283](https://security.snyk.io/vuln/SNYK-JS-LIBNESTED-1054930)

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

2.03%

78.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Libnested Project	Libnested	< 1.5.2

References

https://github.com/dominictarr/libnested/blob/master/index.js%23L22Broken Link
https://github.com/dominictarr/libnested/commit/c1129865d75fbe52b5a4f755ad3110ca5420f2e1Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LIBNESTED-2342117Exploit, Patch, Third Party Advisory
https://github.com/dominictarr/libnested/blob/master/index.js%23L22Broken Link
https://github.com/dominictarr/libnested/commit/c1129865d75fbe52b5a4f755ad3110ca5420f2e1Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LIBNESTED-2342117Exploit, Patch, Third Party Advisory

Timeline

Published: Mar 17, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25352?

How severe is CVE-2022-25352?

CVE-2022-25352 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.03% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25352?

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-2022-25352?

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

Scan your code now

Source: NVD / NIST