{
"id": "GHSA-2m53-83f3-562j",
"aliases": [
"CVE-2021-23460"
],
"details": "### Impact\n\nThe `set` method is vulnerable to prototype pollution with specially crafted inputs.\n\n```javascript\n// insert the following into poc.js and run node poc,js (after installing the package)\n \nlet parser = require(\"min-dash\");\nparser.set({}, [[\"__proto__\"], \"polluted\"], \"success\");\nconsole.log(polluted);\n```\n\n### Patches\n\n`min-dash>=3.8.1` fix the issue.\n\n### Workarounds\n\nNo workarounds exist for the issue.\n\n### References\n\nClosed via https://github.com/bpmn-io/min-dash/pull/21.\n\n### Credits\n\nCredits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.",
"summary": "Prototype pollution in min-dash",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.8.1"
}
]
}
],
"package": {
"name": "min-dash",
"ecosystem": "npm"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.8.1"
}
]
}
],
"package": {
"name": "org.webjars.npm:min-dash",
"ecosystem": "Maven"
}
}
],
"modified": "2025-07-18T19:59:29Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"published": "2022-02-01T00:44:35Z",
"references": [
{
"url": "https://github.com/bpmn-io/min-dash/security/advisories/GHSA-2m53-83f3-562j",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23460",
"type": "ADVISORY"
},
{
"url": "https://github.com/bpmn-io/min-dash/pull/21",
"type": "WEB"
},
{
"url": "https://github.com/bpmn-io/min-dash/commit/2c6689e2aa29f4b66a4874a2f3003431e9db48d1",
"type": "WEB"
},
{
"url": "https://github.com/bpmn-io/min-dash",
"type": "PACKAGE"
},
{
"url": "https://github.com/bpmn-io/min-dash/blob/c4d579c0eb2ed0739592111c3906b198921d3f52/lib/object.js#L32",
"type": "WEB"
},
{
"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2342127",
"type": "WEB"
},
{
"url": "https://snyk.io/vuln/SNYK-JS-MINDASH-2340605",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-1321"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2022-01-27T23:11:40Z"
}
}