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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-0520",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2025-01-16T17:23:23.838Z",
        "datePublished": "2025-04-29T19:35:37.829Z",
        "dateUpdated": "2026-10-08T15:21:14.516Z"
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                    "defaultStatus": "unaffected",
                    "product": "ShowDoc",
                    "vendor": "ShowDoc",
                    "versions": [
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                            "lessThan": "2.8.7",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                    "packageURL": "pkg:composer/showdoc/showdoc"
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                                    "versionStartIncluding": "0",
                                    "vulnerable": true
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            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution.<p>This issue affects ShowDoc: before 2.8.7.</p>"
                        }
                    ],
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                    "capecId": "CAPEC-650",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-650 Upload a Web Shell to a Web Server"
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                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 9.4,
                        "baseSeverity": "CRITICAL",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "LOW",
                        "subConfidentialityImpact": "HIGH",
                        "subIntegrityImpact": "HIGH",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
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                        "vulnAvailabilityImpact": "LOW",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
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                    "format": "CVSS",
                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
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            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-434",
                            "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
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                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-08T15:21:14.516Z"
            },
            "references": [
                {
                    "tags": [
                        "exploit"
                    ],
                    "url": "https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585"
                },
                {
                    "tags": [
                        "issue-tracking"
                    ],
                    "url": "https://github.com/star7th/showdoc/pull/1059"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/showdoc-unauthenticated-file-upload-rce"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "ShowDoc < 2.8.7 Unauthenticated File Upload Remote Code Execution",
            "x_generator": {
                "engine": "vulncheck"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-04-29T20:38:44.727309Z",
                                "id": "CVE-2025-0520",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-04-29T20:41:34.177Z"
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}