FKIE_CVE-2026-25142

Vulnerability from fkie_nvd - Published: 2026-02-02 23:16 - Updated: 2026-02-18 14:34
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27.
References
security-advisories@github.comhttps://github.com/nyariv/SandboxJS/blob/f212a38fb5a6d4bc2bc2e2466c0c011ce8d41072/src/executor.ts#L368-L398Product
security-advisories@github.comhttps://github.com/nyariv/SandboxJS/commit/75c8009db32e6829b0ad92ca13bf458178442bd3Patch
security-advisories@github.comhttps://github.com/nyariv/SandboxJS/security/advisories/GHSA-9p4w-fq8m-2hp7Exploit, Vendor Advisory
Impacted products
Vendor Product Version
nyariv sandboxjs *
To clipboard 

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      "value": "SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27."
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      "value": "SandboxJS es una biblioteca de sandboxing de JavaScript. Antes de la versi\u00f3n 0.8.27, SandboxJS no restringe adecuadamente __lookupGetter__, que puede usarse para obtener prototipos, lo que puede usarse para escapar del sandbox / ejecuci\u00f3n remota de c\u00f3digo. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 0.8.27."
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  ],
  "id": "CVE-2026-25142",
  "lastModified": "2026-02-18T14:34:30.523",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
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}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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