CVE-2022-37258
steal vulnerable to Prototype Pollution
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
- Record
CVE-2022-37258- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
CVE List No score
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
- Record
CVE-2022-37258- Updated
- 2026-11-02
EUVDEUVD-2022-6831 No score
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
- Record
EUVD-2022-6831- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gvjw-8mmr-8f6g
steal vulnerable to Prototype Pollution
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
- Record
GHSA-gvjw-8mmr-8f6g- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-gvjw-8mmr-8f6g
steal vulnerable to Prototype Pollution
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
- Record
GHSA-gvjw-8mmr-8f6g- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSV No score
Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal 2.2.4 via the packageName variable in npm-convert.js.
- Record
CVE-2022-37258- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
stealnpm |
through 2.3.0 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-37258 is a critical vulnerability (CVSS 9.8) in Stealjs Steal, published September 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.58%, the 75th percentile. No source names a fixed version.
References
github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js
nvd.nist.gov/vuln/detail/CVE-2022-37258