What is CVE-2022-25354?

CVE-2022-25354 is a high-severity vulnerability in Set-In Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.6/10. Published 2022-03-17.

How severe is CVE-2022-25354?

High severity. CVSS v3 base score is 8.6 out of 10.

Prototype Pollution in Set-In Project

CVE-2022-25354

The package set-in before 2.0.3 are vulnerable to Prototype Pollution via the setIn method, as it allows an attacker to merge object prototypes into it. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-28273](https://security.snyk.io/vuln/SNYK-JS-SETIN-1048049)

Vulnerability class: Prototype Pollution

Published 2022-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.019 (79.3th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Set-In Project
Set-In — versions unspecified

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

snyk.io/vuln/SNYK-JS-SETIN-2388571 (Exploit, Patch, Third Party Advisory)
github.com/ahdinosaur/set-in/blob/dfc226d95cce8129de6708661e06e0c2c06f3490/inde… (Broken Link)
github.com/ahdinosaur/set-in/commit/6bad255961d379e4b1f5fbc52ef9dc8420816f24 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-25354?: CVE-2022-25354 is a high-severity vulnerability in Set-In Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.6/10. Published 2022-03-17.
How severe is CVE-2022-25354?: High severity. CVSS v3 base score is 8.6 out of 10.