Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/47516?format=api",
    "vulnerability_id": "VCID-s9bd-8czt-fbcg",
    "summary": "File upload local preview can run embedded scripts after user interaction\n### Impact\n\nWhen uploading a file, the local file preview can lead to execution of scripts embedded in the uploaded file, but only after several user interactions to open the preview in a separate tab. This only impacts the local user while in the process of uploading. It cannot be exploited remotely or by other users.\n\n### Patches\n\nThis has been fixed by https://github.com/matrix-org/matrix-react-sdk/pull/5981, which is included in 3.21.0.\n\n### Workarounds\n\nThere are no known workarounds.",
    "aliases": [
        {
            "alias": "GHSA-8796-gc9j-63rv"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/77120?format=api",
            "purl": "pkg:npm/matrix-react-sdk@3.21.0",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1g1f-1x88-tbg5"
                },
                {
                    "vulnerability": "VCID-3s7z-6bqr-rqd1"
                },
                {
                    "vulnerability": "VCID-e42f-h16f-gkbf"
                },
                {
                    "vulnerability": "VCID-k3ft-j7d1-nkh7"
                },
                {
                    "vulnerability": "VCID-ybpz-t956-k7fb"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/matrix-react-sdk@3.21.0"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://github.com/matrix-org/matrix-react-sdk",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.2",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/matrix-org/matrix-react-sdk"
        },
        {
            "reference_url": "https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-8796-gc9j-63rv",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.2",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L"
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "cvssv3.1_qr",
                    "scoring_elements": ""
                },
                {
                    "value": "MODERATE",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-8796-gc9j-63rv"
        },
        {
            "reference_url": "https://github.com/advisories/GHSA-8796-gc9j-63rv",
            "reference_id": "GHSA-8796-gc9j-63rv",
            "reference_type": "",
            "scores": [
                {
                    "value": "MODERATE",
                    "scoring_system": "cvssv3.1_qr",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/advisories/GHSA-8796-gc9j-63rv"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 74,
            "name": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')",
            "description": "The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component."
        }
    ],
    "exploits": [],
    "severity_range_score": "4.0 - 6.9",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-s9bd-8czt-fbcg"
}