GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/41368?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/41368?format=api",
    "vulnerability_id": "VCID-8ejk-jcnw-p7f2",
    "summary": "Cross-site Scripting\nMisskey is a decentralized microblogging platform. There are no known workarounds aside from upgrading.",
    "aliases": [
        {
            "alias": "CVE-2021-39169"
        },
        {
            "alias": "GHSA-pmmv-jwqh-f5ww"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/533151?format=api",
            "purl": "pkg:npm/misskey-reversi@0.0.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3cby-9fwd-sfay"
                },
                {
                    "vulnerability": "VCID-5bfa-24hw-f7cr"
                },
                {
                    "vulnerability": "VCID-8ejk-jcnw-p7f2"
                },
                {
                    "vulnerability": "VCID-9m6w-ph3j-xfgq"
                },
                {
                    "vulnerability": "VCID-g7ab-kmvd-yyfe"
                },
                {
                    "vulnerability": "VCID-gvy5-tqet-cqgq"
                },
                {
                    "vulnerability": "VCID-jkwu-vn18-u3hu"
                },
                {
                    "vulnerability": "VCID-mmp3-645h-ykee"
                },
                {
                    "vulnerability": "VCID-vcqr-nktt-33ft"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/misskey-reversi@0.0.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/533152?format=api",
            "purl": "pkg:npm/misskey-reversi@0.0.1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3cby-9fwd-sfay"
                },
                {
                    "vulnerability": "VCID-5bfa-24hw-f7cr"
                },
                {
                    "vulnerability": "VCID-8ejk-jcnw-p7f2"
                },
                {
                    "vulnerability": "VCID-9m6w-ph3j-xfgq"
                },
                {
                    "vulnerability": "VCID-g7ab-kmvd-yyfe"
                },
                {
                    "vulnerability": "VCID-gvy5-tqet-cqgq"
                },
                {
                    "vulnerability": "VCID-jkwu-vn18-u3hu"
                },
                {
                    "vulnerability": "VCID-mmp3-645h-ykee"
                },
                {
                    "vulnerability": "VCID-vcqr-nktt-33ft"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/misskey-reversi@0.0.1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/533153?format=api",
            "purl": "pkg:npm/misskey-reversi@0.0.2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3cby-9fwd-sfay"
                },
                {
                    "vulnerability": "VCID-5bfa-24hw-f7cr"
                },
                {
                    "vulnerability": "VCID-8ejk-jcnw-p7f2"
                },
                {
                    "vulnerability": "VCID-9m6w-ph3j-xfgq"
                },
                {
                    "vulnerability": "VCID-g7ab-kmvd-yyfe"
                },
                {
                    "vulnerability": "VCID-gvy5-tqet-cqgq"
                },
                {
                    "vulnerability": "VCID-jkwu-vn18-u3hu"
                },
                {
                    "vulnerability": "VCID-mmp3-645h-ykee"
                },
                {
                    "vulnerability": "VCID-vcqr-nktt-33ft"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/misskey-reversi@0.0.2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/533154?format=api",
            "purl": "pkg:npm/misskey-reversi@0.0.3",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3cby-9fwd-sfay"
                },
                {
                    "vulnerability": "VCID-5bfa-24hw-f7cr"
                },
                {
                    "vulnerability": "VCID-8ejk-jcnw-p7f2"
                },
                {
                    "vulnerability": "VCID-9m6w-ph3j-xfgq"
                },
                {
                    "vulnerability": "VCID-g7ab-kmvd-yyfe"
                },
                {
                    "vulnerability": "VCID-gvy5-tqet-cqgq"
                },
                {
                    "vulnerability": "VCID-jkwu-vn18-u3hu"
                },
                {
                    "vulnerability": "VCID-mmp3-645h-ykee"
                },
                {
                    "vulnerability": "VCID-vcqr-nktt-33ft"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/misskey-reversi@0.0.3"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/533155?format=api",
            "purl": "pkg:npm/misskey-reversi@0.0.4",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3cby-9fwd-sfay"
                },
                {
                    "vulnerability": "VCID-5bfa-24hw-f7cr"
                },
                {
                    "vulnerability": "VCID-8ejk-jcnw-p7f2"
                },
                {
                    "vulnerability": "VCID-9m6w-ph3j-xfgq"
                },
                {
                    "vulnerability": "VCID-g7ab-kmvd-yyfe"
                },
                {
                    "vulnerability": "VCID-gvy5-tqet-cqgq"
                },
                {
                    "vulnerability": "VCID-jkwu-vn18-u3hu"
                },
                {
                    "vulnerability": "VCID-mmp3-645h-ykee"
                },
                {
                    "vulnerability": "VCID-vcqr-nktt-33ft"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/misskey-reversi@0.0.4"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/533156?format=api",
            "purl": "pkg:npm/misskey-reversi@0.0.5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3cby-9fwd-sfay"
                },
                {
                    "vulnerability": "VCID-5bfa-24hw-f7cr"
                },
                {
                    "vulnerability": "VCID-8ejk-jcnw-p7f2"
                },
                {
                    "vulnerability": "VCID-9m6w-ph3j-xfgq"
                },
                {
                    "vulnerability": "VCID-g7ab-kmvd-yyfe"
                },
                {
                    "vulnerability": "VCID-gvy5-tqet-cqgq"
                },
                {
                    "vulnerability": "VCID-jkwu-vn18-u3hu"
                },
                {
                    "vulnerability": "VCID-mmp3-645h-ykee"
                },
                {
                    "vulnerability": "VCID-vcqr-nktt-33ft"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/misskey-reversi@0.0.5"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39169",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55362",
                    "published_at": "2026-06-04T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55418",
                    "published_at": "2026-06-05T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55423",
                    "published_at": "2026-06-06T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55412",
                    "published_at": "2026-06-09T12:55:00Z"
                },
                {
                    "value": "0.0032",
                    "scoring_system": "epss",
                    "scoring_elements": "0.55393",
                    "published_at": "2026-06-08T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39169"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39169",
            "reference_id": "CVE-2021-39169",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39169"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 1035,
            "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."
        },
        {
            "cwe_id": 937,
            "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."
        }
    ],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-8ejk-jcnw-p7f2"
}