Prototype Pollution in libnested

CRITICAL 9.8CVE-2022-25352 · GHSA-x5m8-2r8v-8f97 · SNYK-JS-LIBNESTED-2342117 · Published 17/03/2022 · updated 17/06/2026

In short

CVE-2022-25352 is a CRITICAL (CVSS 9.8) vulnerability affecting libnested (libnested project), libnested.
Chance of exploitation in the next 30 days (EPSS): 2.1%, higher than 81.4% of all vulnerabilities.
Fix: update to 1.5.2 or later.

Package	Affected versions	Patched versions
libnested libnested_project	`< 1.5.2`	`1.5.2`
libnested npm	`< 1.5.2`	`1.5.2`

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

NVD 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)

References

nvd.nist.gov/vuln/detail/CVE-2022-25352 · ADVISORY
dominictarr/libnested commit c112986 · WEB
dominictarr/libnested · PACKAGE
dominictarr/libnested · WEB
snyk.io/vuln/SNYK-JS-LIBNESTED-2342117 · WEB

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