ghsa-xg68-chx2-253g
Vulnerability from github
Published
2021-05-24 19:53
Modified
2025-08-14 22:15
Severity ?
VLAI Severity ?
Summary
Prototype Pollution in jquery-deparam
Details
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-deparam allows a malicious user to inject properties into Object.prototype.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "jquery-deparam"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "0.5.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-20087"
],
"database_specific": {
"cwe_ids": [
"CWE-1321"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-20T21:58:11Z",
"nvd_published_at": "2021-04-23T18:15:00Z",
"severity": "HIGH"
},
"details": "Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) in jquery-deparam allows a malicious user to inject properties into Object.prototype.",
"id": "GHSA-xg68-chx2-253g",
"modified": "2025-08-14T22:15:23Z",
"published": "2021-05-24T19:53:01Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20087"
},
{
"type": "WEB",
"url": "https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-deparam.md"
},
{
"type": "WEB",
"url": "https://github.com/RetireJS/retire.js/blob/6da45fcb6a3425e55ee8181b2ac35168879bf086/repository/jsrepository-master.json#L824-L842"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Prototype Pollution in jquery-deparam"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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