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CVE-2022-37265

30
FAUCET Score

CVE-2022-37265 is a critical prototype pollution vulnerability affecting stealjs steal version 2.2.4, specifically through the 'alias' variable in babel.js. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability over a network with low attack complexity. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high severity warrants immediate attention.

Impacted Technologies

VendorProductVersion(s)CPE
2.2.4CPE matchmatch criteria
cpe:2.3:a:stealjs:steal:2.2.4:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 50th percentile among its peer group of 36,833 CVEs.

Social Chatter

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 (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-wc4x-qmr2-rj8hcritical

steal vulnerable to Prototype Pollution via alias variable

Sep 21, 2022

References

github.com / stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js
PatchThird Party Advisory
github.com / stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js
PatchThird Party Advisory
github.com / stealjs/steal/issues/1534
Issue TrackingThird Party Advisory