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CVE-2020-29593

Status: ModifiedMedium (5.4)—

An issue was discovered in Orchard before 1.10. The Media Settings Allowed File Types list field allows an attacker to add a XSS payload that will execute when users attempt to upload a disallowed file type, causing the error to display.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Orchardproject — Orchard

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-29593",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
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  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
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  ],
  "published": "2021-04-14T15:15:13.407",
  "references": [
    {
      "url": "https://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
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      "url": "https://github.com/OrchardCMS/Orchard/releases",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/OrchardCMS/Orchard/releases",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Orchard before 1.10. The Media Settings Allowed File Types list field allows an attacker to add a XSS payload that will execute when users attempt to upload a disallowed file type, causing the error to display."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en Orchard versiones anteriores a 1.10. El campo de lista Media Settings Allowed File Types permite a un atacante agregar una carga útil XSS que se ejecutará cuando los usuarios intenten cargar un tipo de archivo no permitido, causando que se muestre el error"
    }
  ],
  "lastModified": "2026-06-17T03:11:29.563",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "F2248E93-A00B-4EBF-884C-B71ED1293B29",
              "versionEndExcluding": "1.10"
            }
          ],
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      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}