github - ghsa-6jmr-r7p6-f5wr

ghsa-6jmr-r7p6-f5wr

Vulnerability from github

Published

2025-04-29 21:31

Modified

2025-04-30 17:31

Severity ?

9.4 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

Summary

ShowDoc unrestricted file upload vulnerability

Details

An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution. This issue affects ShowDoc: before 2.8.7.

Show details on source website

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "showdoc/showdoc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-0520"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-30T17:31:58Z",
    "nvd_published_at": "2025-04-29T20:15:25Z",
    "severity": "CRITICAL"
  },
  "details": "An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution. This issue affects ShowDoc: before 2.8.7.",
  "id": "GHSA-6jmr-r7p6-f5wr",
  "modified": "2025-04-30T17:31:58Z",
  "published": "2025-04-29T21:31:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-0520"
    },
    {
      "type": "WEB",
      "url": "https://github.com/star7th/showdoc/pull/1059"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/star7th/showdoc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585"
    },
    {
      "type": "WEB",
      "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ShowDoc unrestricted file upload vulnerability"
}

CVE-2025-0520 (GCVE-0-2025-0520)

Vulnerability from cvelistv5

Published

2025-04-29 19:35

Modified

2025-04-29 20:41

Severity ?

9.4 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

CWE

CWE-434 - Unrestricted Upload of File with Dangerous Type

Summary

An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution.This issue affects ShowDoc: before 2.8.7.

References

►

URL

Tags

	https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585	exploit
	https://github.com/star7th/showdoc/pull/1059	patch, issue-tracking
	https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585	third-party-advisory

Impacted products

	Vendor	Product	Version
	ShowDoc	ShowDoc	Version: 0 ≤

Show details on NVD website

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-0520",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-29T20:38:44.727309Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-29T20:41:34.177Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ShowDoc",
          "vendor": "ShowDoc",
          "versions": [
            {
              "lessThan": "2.8.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
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          "supportingMedia": [
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              "type": "text/html",
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            }
          ],
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        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-650",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-650 Upload a Web Shell to a Web Server"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L",
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            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-04-29T19:49:30.316Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585"
        },
        {
          "tags": [
            "patch",
            "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"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "ShowDoc Unauthenticated File Upload Remote Code Execution",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2025-0520",
    "datePublished": "2025-04-29T19:35:37.829Z",
    "dateReserved": "2025-01-16T17:23:23.838Z",
    "dateUpdated": "2025-04-29T20:41:34.177Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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Not patched: This vulnerability was not successfully patched by the user reporting the sighting.