High
Security advisory
This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-23363
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:40 UTC · Revision 1
Source evidence
This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
osv:CVE-2021-23363
Complete source record
{
"id": "cc6690511d7fa3c7af53032874521d3b20208fcf8ac793c64567e7cc7b16dfaa",
"url": "https://osv.dev/vulnerability/CVE-2021-23363",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-23363",
"summary": "This affects the package kill-by-port before 0.0.2. If (attacker-controlled) user input is given to the killByPort function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.",
"evidence": "osv:CVE-2021-23363",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-23363",
"aliases": [
"CVE-2021-23363",
"GHSA-mm4f-47ch-f7hx",
"SNYK-JS-KILLBYPORT-1078531"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/guymograbi/kill-by-port",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "1b944a7783177355b8ac45e36df011b69fdbeed7"
},
{
"fixed": "ea5b1f377e196a4492e05ff070eba8b30b7372c4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:kill-by-port_project:kill-by-port:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.0.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "ea5b1f377e196a4492e05ff070eba8b30b7372c4"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v0.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23363.json"
}
}
],
"modified": "2026-10-20T10:54:32.049686971Z",
"provider": "osv",
"references": [
"https://github.com/GuyMograbi/kill-by-port/blob/16dcbe264b6b4a5ecf409661b42836dd286fd43f/index.js%23L8",
"https://github.com/GuyMograbi/kill-by-port/commit/ea5b1f377e196a4492e05ff070eba8b30b7372c4",
"https://snyk.io/vuln/SNYK-JS-KILLBYPORT-1078531"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-23363",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385499,
"published_at": "2021-03-30T15:15:15.48+00:00"
}