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CVE-2022-25352

24
FAUCET Score

CVE-2022-25352 is a critical Prototype Pollution vulnerability affecting versions of the libnested package prior to 1.5.2, specifically through the 'set' function in index.js. This flaw, an incomplete fix for CVE-2020-28283, carries a CVSS score of 9.8, indicating a severe risk with potential for complete compromise of confidentiality, integrity, and availability. While no public exploit intelligence like Metasploit modules or ExploitDB entries exist, and community discussion is minimal, its high severity warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.2CPE matchmatch criteria
cpe:2.3:a:libnested_project:libnested:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.03%
Probability of exploitation in next 30 days
EPSS Percentile
79.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0203 is in the 68th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: libnestedFixed in: 1.5.2

Vendor Advisories (1)

npmGHSA-x5m8-2r8v-8f97critical

Prototype Pollution in libnested

Mar 18, 2022

References

github.com / dominictarr/libnested/blob/master/index.js%23L22
Broken Link
github.com / dominictarr/libnested/commit/c1129865d75fbe52b5a4f755ad3110ca5420f2e1
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-LIBNESTED-2342117
ExploitPatchThird Party Advisory