GHSA-866w-wm4h-95c6 · Severity: critical · Ecosystem: npm — thlorenz browserify-shim vulnerable to prototype pollution
Prototype pollution vulnerability in function resolveShims in resolve-shims.js in thlorenz browserify-shim 3.8.15 via the k variable in resolve-shims.js.
Conclusion & alert: CVE-2022-37617 is rated High Exploit Risk (76.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.46%). 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 | 2026-04-06 | 0.45% | 0.46% | +0.01% |
| 2 | 2025-10-14 | 0.08% | 0.45% | +0.36% |
| 3 | 2025-03-30 | — | 0.08% | — |
Full EPSS history (12 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-866w-wm4h-95c6 · Severity: critical · Ecosystem: npm — thlorenz browserify-shim vulnerable to prototype pollution
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| browserify-shim_project | browserify-shim | 3.8.15 | cpe:2.3:a:browserify-shim_project:browserify-shim:3.8.15:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/thlorenz/browserify-shim/blob/464b32bbe142664cd9796059798f6c738ea3de8f/lib/resolve-shims.js#L130 | Exploit Third Party Advisory |
| https://github.com/thlorenz/browserify-shim/blob/464b32bbe142664cd9796059798f6c738ea3de8f/lib/resolve-shims.js#L158 | Exploit Third Party Advisory |
| https://github.com/thlorenz/browserify-shim/issues/245 | Issue Tracking |