Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/18534?format=api",
    "vulnerability_id": "VCID-hwq5-wv4v-8fbh",
    "summary": "Improper Check for Unusual or Exceptional Conditions\nDenial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.",
    "aliases": [
        {
            "alias": "CVE-2023-30591"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/65967?format=api",
            "purl": "pkg:npm/nodebb@2.8.10",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-hwq5-wv4v-8fbh"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/nodebb@2.8.10"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-30591",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.01828",
                    "scoring_system": "epss",
                    "scoring_elements": "0.83221",
                    "published_at": "2026-05-30T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-30591"
        },
        {
            "reference_url": "https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c"
        },
        {
            "reference_url": "https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9"
        },
        {
            "reference_url": "https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca"
        },
        {
            "reference_url": "https://starlabs.sg/advisories/23/23-30591/",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://starlabs.sg/advisories/23/23-30591/"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-30591",
            "reference_id": "CVE-2023-30591",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-30591"
        }
    ],
    "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": 754,
            "name": "Improper Check for Unusual or Exceptional Conditions",
            "description": "The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product."
        },
        {
            "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": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-hwq5-wv4v-8fbh"
}