FKIE_CVE-2025-12735

Vulnerability from fkie_nvd - Published: 2025-11-05 01:15 - Updated: 2026-02-10 17:33
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution.
References
cret@cert.orghttps://github.com/advisories/GHSA-jc85-fpwf-qm7xThird Party Advisory
cret@cert.orghttps://github.com/jorenbroekema/expr-evalProduct
cret@cert.orghttps://github.com/silentmatt/expr-evalProduct
cret@cert.orghttps://github.com/silentmatt/expr-eval/pull/288Issue Tracking, Patch
cret@cert.orghttps://kb.cert.org/vuls/id/263614Third Party Advisory
cret@cert.orghttps://www.npmjs.com/package/expr-evalProduct
cret@cert.orghttps://www.npmjs.com/package/expr-eval-forkProduct
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/263614Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/jorenbroekema/expr-eval/blob/460b820ba01c5aca6c5d84a7d4f1fa5d1913c67b/test/security.jsProduct
Impacted products
Vendor Product Version
jorenbroekema javascript_expression_evaluator 3.0.0
silentmatt javascript_expression_evaluator *
To clipboard 

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              "matchCriteriaId": "CDE513F1-E3F7-4FA9-BD2B-D310CA8853BD",
              "vulnerable": true
            },
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution."
    }
  ],
  "id": "CVE-2025-12735",
  "lastModified": "2026-02-10T17:33:24.527",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "references": [
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      "tags": [
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  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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