CVE-2022-37266
CWE-1321Published: September 15, 2022· Updated: Jun 17, 2026
Official Description
Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.
Risk Analysis
This vulnerability involves prototype pollution in the babel.js function within stealjs. It is rated as critical, allowing for remote code execution or other impacts due to the lack of authentication requirements.
No public exploit is known, and it is not listed in the KEV catalog. The flaw is remotely exploitable with low complexity.
Users should upgrade to a version of stealjs that addresses this prototype pollution vulnerability.
Technical Analysis
CVE-2022-37266 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-2022-37266 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts