GHSA-gvjw-8mmr-8f6g · Severity: critical · Ecosystem: npm — 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.
Conclusion & alert: CVE-2022-37258 is rated High Exploit Risk (76.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.47%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-09-18 | 0.11% | 0.47% | +0.37% |
| 2 | 2025-03-30 | 0.35% | 0.11% | -0.24% |
| 3 | 2025-03-29 | — | 0.35% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
GHSA-gvjw-8mmr-8f6g · Severity: critical · Ecosystem: npm — steal vulnerable to Prototype Pollution
| URL | Tags |
|---|---|
| https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L362 | Exploit Third Party Advisory |
| https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/npm-convert.js#L369 | Exploit Third Party Advisory |
| https://github.com/stealjs/steal/issues/1527 | Issue Tracking Third Party Advisory |