Vulnerability Instance

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/41337?format=api",
    "vulnerability_id": "VCID-ag6y-f8nh-5kej",
    "summary": "firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)",
    "aliases": [
        {
            "alias": "CVE-2021-3730"
        },
        {
            "alias": "GHSA-c676-mcw3-qg55"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/141591?format=api",
            "purl": "pkg:composer/grumpydictator/firefly-iii@5.6.0",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/grumpydictator/firefly-iii@5.6.0"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/58732?format=api",
            "purl": "pkg:composer/grumpydictator/firefly-iii@0.0.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-951v-qu7n-4ybp"
                },
                {
                    "vulnerability": "VCID-ag6y-f8nh-5kej"
                },
                {
                    "vulnerability": "VCID-cpwr-nyyb-afdf"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/grumpydictator/firefly-iii@0.0.0"
        }
    ],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3730",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00111",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2917",
                    "published_at": "2026-06-04T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3730"
        },
        {
            "reference_url": "https://github.com/firefly-iii/firefly-iii",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/firefly-iii/firefly-iii"
        },
        {
            "reference_url": "https://github.com/firefly-iii/firefly-iii/commit/f80178b1b2b7864d17500a131d570c353c9a26f6",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/firefly-iii/firefly-iii/commit/f80178b1b2b7864d17500a131d570c353c9a26f6"
        },
        {
            "reference_url": "https://huntr.dev/bounties/ea181323-51f8-46a2-a60f-6a401907feb7",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://huntr.dev/bounties/ea181323-51f8-46a2-a60f-6a401907feb7"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3730",
            "reference_id": "CVE-2021-3730",
            "reference_type": "",
            "scores": [
                {
                    "value": "6.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3730"
        }
    ],
    "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."
        },
        {
            "cwe_id": 352,
            "name": "Cross-Site Request Forgery (CSRF)",
            "description": "The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request."
        }
    ],
    "exploits": [],
    "severity_range_score": "4.0 - 6.9",
    "exploitability": "0.5",
    "weighted_severity": "6.2",
    "risk_score": 3.1,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ag6y-f8nh-5kej"
}