GHSA-8f8g-9j73-7p82 · Severity: critical · Ecosystem: npm — steal vulnerable to Prototype Pollution via optionName variable
Prototype pollution vulnerability in stealjs steal 2.2.4 via the optionName variable in main.js.
Conclusion & alert: CVE-2022-37264 is rated Moderate Risk (62.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.48%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-09-16 | 0.11% | 0.48% | +0.38% |
| 2 | 2025-03-30 | 0.35% | 0.11% | -0.24% |
| 3 | 2025-03-29 | — | 0.35% | — |
Full EPSS history (8 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-8f8g-9j73-7p82 · Severity: critical · Ecosystem: npm — steal vulnerable to Prototype Pollution via optionName variable
| URL | Tags |
|---|---|
| https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/main.js#L2194 | Third Party Advisory |
| https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/main.js#L647 | Third Party Advisory |
| https://github.com/stealjs/steal/issues/1533 | Issue Tracking Third Party Advisory |