CVE-2022-37266 json
steal vulnerable to Prototype Pollution via key variable in babel.js
published 2022-09-15 4 y ago modified 2026-06-17 4 mo ago also GHSA-vwhq-pm3r-fjm9 , EUVD-2022-6952
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.
Exploit prediction
1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | steal | <=2.3.0 |
no fix listed |
Classification
- Weakness
-
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
References
-
github.com
/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29165
web, third-party-advisory
-
github.com
/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29169
web, third-party-advisory
-
github.com
/stealjs/steal/issues/1535
web, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-37266
advisory
-
github.com
/stealjs/steal
package
Sources
- CVE List CVE-2022-37266
- GitHub Advisory GHSA-vwhq-pm3r-fjm9
- NVD CVE-2022-37266
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