Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/14768?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/14768?format=api",
    "vulnerability_id": "VCID-t5ww-gsnd-3ycg",
    "summary": "Improper Input Validation\nThe error-message functionality in Moodle 1.9.x before 1.9.13, 2.0.x before 2.0.4, and 2.1.x before 2.1.1 does not ensure that a continuation link refers to an http or https URL for the local Moodle instance, which might allow attackers to trick users into visiting arbitrary web sites via unspecified vectors.",
    "aliases": [
        {
            "alias": "CVE-2011-4294"
        },
        {
            "alias": "GHSA-hxmp-8f47-x9fc"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/49933?format=api",
            "purl": "pkg:composer/moodle/moodle@2.0.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1m87-uyah-9kat"
                },
                {
                    "vulnerability": "VCID-364d-q9tm-4ket"
                },
                {
                    "vulnerability": "VCID-5u1f-df9m-x3en"
                },
                {
                    "vulnerability": "VCID-5vy6-nqht-hfa5"
                },
                {
                    "vulnerability": "VCID-7see-ex7a-9fdr"
                },
                {
                    "vulnerability": "VCID-8d1d-8x82-n7fj"
                },
                {
                    "vulnerability": "VCID-8q6b-cnmp-n3gv"
                },
                {
                    "vulnerability": "VCID-8y2x-aqub-9ycv"
                },
                {
                    "vulnerability": "VCID-9ffw-35y1-9kcc"
                },
                {
                    "vulnerability": "VCID-ajfk-n1qs-hqdp"
                },
                {
                    "vulnerability": "VCID-bav3-bmte-w3gr"
                },
                {
                    "vulnerability": "VCID-bgbv-4kb1-3bhg"
                },
                {
                    "vulnerability": "VCID-e1jc-m337-k7bj"
                },
                {
                    "vulnerability": "VCID-era2-gy4n-6kdx"
                },
                {
                    "vulnerability": "VCID-f6mk-8r56-1yfe"
                },
                {
                    "vulnerability": "VCID-j9xy-97ps-7fht"
                },
                {
                    "vulnerability": "VCID-kr6a-2jmv-t7dh"
                },
                {
                    "vulnerability": "VCID-pj1q-4uex-e3d3"
                },
                {
                    "vulnerability": "VCID-pmh4-7sf4-pkec"
                },
                {
                    "vulnerability": "VCID-pswr-m2yd-tkfb"
                },
                {
                    "vulnerability": "VCID-qpns-23xm-qyhv"
                },
                {
                    "vulnerability": "VCID-rqx8-nq76-sugw"
                },
                {
                    "vulnerability": "VCID-rsgm-pmc9-dfbb"
                },
                {
                    "vulnerability": "VCID-t242-kuj7-zfg4"
                },
                {
                    "vulnerability": "VCID-t5ww-gsnd-3ycg"
                },
                {
                    "vulnerability": "VCID-u9f3-sbjk-pygw"
                },
                {
                    "vulnerability": "VCID-ut3x-gmbz-ukem"
                },
                {
                    "vulnerability": "VCID-vf82-m9gw-kud2"
                },
                {
                    "vulnerability": "VCID-yrzk-x3uu-zkcn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.0.0"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/49935?format=api",
            "purl": "pkg:composer/moodle/moodle@2.1.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1m87-uyah-9kat"
                },
                {
                    "vulnerability": "VCID-364d-q9tm-4ket"
                },
                {
                    "vulnerability": "VCID-5vy6-nqht-hfa5"
                },
                {
                    "vulnerability": "VCID-7see-ex7a-9fdr"
                },
                {
                    "vulnerability": "VCID-8q6b-cnmp-n3gv"
                },
                {
                    "vulnerability": "VCID-du8m-h228-cff3"
                },
                {
                    "vulnerability": "VCID-e1jc-m337-k7bj"
                },
                {
                    "vulnerability": "VCID-hxhr-sxkm-nka6"
                },
                {
                    "vulnerability": "VCID-kdqf-c5py-sybt"
                },
                {
                    "vulnerability": "VCID-pj1q-4uex-e3d3"
                },
                {
                    "vulnerability": "VCID-pswr-m2yd-tkfb"
                },
                {
                    "vulnerability": "VCID-qjdf-s39r-5bdb"
                },
                {
                    "vulnerability": "VCID-t242-kuj7-zfg4"
                },
                {
                    "vulnerability": "VCID-t5ww-gsnd-3ycg"
                },
                {
                    "vulnerability": "VCID-u9f3-sbjk-pygw"
                },
                {
                    "vulnerability": "VCID-uhws-64fm-hybk"
                },
                {
                    "vulnerability": "VCID-vf82-m9gw-kud2"
                },
                {
                    "vulnerability": "VCID-xu4e-svgd-cygq"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.1.0"
        }
    ],
    "references": [
        {
            "reference_url": "http://git.moodle.org/gw?p=moodle.git;a=commit;h=8f9f666c902cb30ef6f519353f38c45a29fdf4a6",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://git.moodle.org/gw?p=moodle.git;a=commit;h=8f9f666c902cb30ef6f519353f38c45a29fdf4a6"
        },
        {
            "reference_url": "http://moodle.org/mod/forum/discuss.php?d=182737",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://moodle.org/mod/forum/discuss.php?d=182737"
        },
        {
            "reference_url": "http://openwall.com/lists/oss-security/2011/11/14/1",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "http://openwall.com/lists/oss-security/2011/11/14/1"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-4294",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60421",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.6043",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60416",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60396",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60437",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60445",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60438",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60272",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60348",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60375",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
                    "scoring_elements": "0.60344",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00396",
                    "scoring_system": "epss",
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                    "published_at": "2026-04-08T12:55:00Z"
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                    "scoring_elements": "0.60409",
                    "published_at": "2026-04-09T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-4294"
        },
        {
            "reference_url": "https://github.com/moodle/moodle",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/moodle/moodle"
        },
        {
            "reference_url": "https://github.com/moodle/moodle/commit/18c2fcf8f19e00f0e89421d8fd8b7486a6dc6f79",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/moodle/moodle/commit/18c2fcf8f19e00f0e89421d8fd8b7486a6dc6f79"
        },
        {
            "reference_url": "https://github.com/moodle/moodle/commit/417fdfab6bbdcfc3f5b64704ec06912ae9cd1050",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/moodle/moodle/commit/417fdfab6bbdcfc3f5b64704ec06912ae9cd1050"
        },
        {
            "reference_url": "https://github.com/moodle/moodle/commit/8f9f666c902cb30ef6f519353f38c45a29fdf4a6",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/moodle/moodle/commit/8f9f666c902cb30ef6f519353f38c45a29fdf4a6"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2011-4294",
            "reference_id": "CVE-2011-4294",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-4294"
        },
        {
            "reference_url": "https://github.com/advisories/GHSA-hxmp-8f47-x9fc",
            "reference_id": "GHSA-hxmp-8f47-x9fc",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "cvssv3.1_qr",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/advisories/GHSA-hxmp-8f47-x9fc"
        }
    ],
    "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": 20,
            "name": "Improper Input Validation",
            "description": "The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly."
        },
        {
            "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": 601,
            "name": "URL Redirection to Untrusted Site ('Open Redirect')",
            "description": "A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks."
        }
    ],
    "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-t5ww-gsnd-3ycg"
}