GSD-2020-11026

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
Aliases
Aliases
CVE-2020-11026
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{
  "GSD": {
    "alias": "CVE-2020-11026",
    "description": "In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).",
    "id": "GSD-2020-11026",
    "references": [
      "https://www.debian.org/security/2020/dsa-4677"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-11026"
      ],
      "details": "In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).",
      "id": "GSD-2020-11026",
      "modified": "2023-12-13T01:22:07.457655Z",
      "schema_version": "1.4.0"
    }
  },
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        "STATE": "PUBLIC",
        "TITLE": "Specially crafted filenames in WordPress leading to XSS"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
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                    "product_name": "WordPress",
                    "version": {
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                          "version_value": "\u003e= 5.4.0, \u003c 5.4.1"
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                          "version_value": "\u003e= 5.2.0, \u003c 5.2.6"
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                          "version_value": "\u003e= 5.0.0, \u003c 5.0.9"
                        },
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                          "version_value": "\u003e= 4.9.0, \u003c 4.9.14"
                        },
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                          "version_value": "\u003e= 4.8.0, \u003c 4.8.13"
                        },
                        {
                          "version_value": "\u003e= 4.7.0, \u003c 4.7.17"
                        },
                        {
                          "version_value": "\u003e= 4.6.0, \u003c 4.6.18"
                        },
                        {
                          "version_value": "\u003e= 4.5.0, \u003c 4.5.21"
                        },
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                          "version_value": "\u003e= 4.4.0, \u003c 4.4.22"
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                          "version_value": "\u003e= 4.3.0, \u003c 4.3.23"
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                          "version_value": "\u003e= 4.1.0, \u003c 4.1.30"
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                        {
                          "version_value": "\u003e= 4.0.0, \u003c 4.0.30"
                        },
                        {
                          "version_value": "\u003e= 3.9.0, \u003c 3.9.31"
                        },
                        {
                          "version_value": "\u003e= 3.8.0, \u003c 3.8.33"
                        },
                        {
                          "version_value": "\u003e= 3.7.0, \u003c 3.7.33"
                        }
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              "vendor_name": "WordPress"
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      "description": {
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            "lang": "eng",
            "value": "In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33)."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-707: Improper Neutralization"
              }
            ]
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates",
            "refsource": "MISC",
            "url": "https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates"
          },
          {
            "name": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2",
            "refsource": "CONFIRM",
            "url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2"
          },
          {
            "name": "DSA-4677",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2020/dsa-4677"
          },
          {
            "name": "[debian-lts-announce] 20200511 [SECURITY] [DLA 2208-1] wordpress security update",
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            "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00011.html"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-3gw2-4656-pfr2",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 6.8,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.3,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2023-03-01T16:45Z",
      "publishedDate": "2020-04-30T23:15Z"
    }
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.