FKIE_CVE-2025-12735

Vulnerability from fkie_nvd - Published: 2025-11-05 01:15 - Updated: 2025-11-20 16:15
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-qm7x
cret@cert.orghttps://github.com/jorenbroekema/expr-eval
cret@cert.orghttps://github.com/silentmatt/expr-eval
cret@cert.orghttps://github.com/silentmatt/expr-eval/pull/288
cret@cert.orghttps://kb.cert.org/vuls/id/263614
cret@cert.orghttps://www.npmjs.com/package/expr-eval
cret@cert.orghttps://www.npmjs.com/package/expr-eval-fork
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/263614
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/jorenbroekema/expr-eval/blob/460b820ba01c5aca6c5d84a7d4f1fa5d1913c67b/test/security.js
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "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": "2025-11-20T16:15:56.163",
  "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",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-11-05T01:15:33.313",
  "references": [
    {
      "source": "cret@cert.org",
      "url": "https://github.com/advisories/GHSA-jc85-fpwf-qm7x"
    },
    {
      "source": "cret@cert.org",
      "url": "https://github.com/jorenbroekema/expr-eval"
    },
    {
      "source": "cret@cert.org",
      "url": "https://github.com/silentmatt/expr-eval"
    },
    {
      "source": "cret@cert.org",
      "url": "https://github.com/silentmatt/expr-eval/pull/288"
    },
    {
      "source": "cret@cert.org",
      "url": "https://kb.cert.org/vuls/id/263614"
    },
    {
      "source": "cret@cert.org",
      "url": "https://www.npmjs.com/package/expr-eval"
    },
    {
      "source": "cret@cert.org",
      "url": "https://www.npmjs.com/package/expr-eval-fork"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.kb.cert.org/vuls/id/263614"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/jorenbroekema/expr-eval/blob/460b820ba01c5aca6c5d84a7d4f1fa5d1913c67b/test/security.js"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Awaiting Analysis"
}


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