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CVE-2022-37264

31
FAUCET Score

CVE-2022-37264 is a critical prototype pollution vulnerability affecting stealjs steal version 2.2.4, specifically through the optionName variable in main.js. With a CVSS score of 9.8, this vulnerability allows for unauthenticated remote exploitation with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicated by 10 mentions.

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
1.24%
Probability of exploitation in next 30 days
EPSS Percentile
66.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0124 is in the 52nd 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

Vendor Advisories (1)

npmGHSA-8f8g-9j73-7p82critical

steal vulnerable to Prototype Pollution via optionName variable

Sep 16, 2022

References

github.com / stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/main.js
Third Party Advisory
github.com / stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/main.js
Third Party Advisory
github.com / stealjs/steal/issues/1533
Issue TrackingThird Party Advisory