CVE-2022-37258
CWE-1321Published: September 16, 2022· Updated: Jun 17, 2026
Official Description
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
Risk Analysis
A prototype pollution vulnerability exists in the stealjs steal package due to insecure handling of the packageName variable. This critical flaw allows for remote code execution or other impacts, resulting in a 9.8 CVSS score.
No public exploit is known, and the vulnerability is not in the CISA KEV. It is remotely exploitable with low complexity.
Users should update the steal package to a version where this vulnerability is resolved.
Technical Analysis
CVE-2022-37258 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-1321)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-37258 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts