GSD-2021-39202

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.
Aliases
Aliases
CVE-2021-39202
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{
  "GSD": {
    "alias": "CVE-2021-39202",
    "description": "WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.",
    "id": "GSD-2021-39202"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-39202"
      ],
      "details": "WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.",
      "id": "GSD-2021-39202",
      "modified": "2023-12-13T01:23:15.778796Z",
      "schema_version": "1.4.0"
    }
  },
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        "TITLE": "WordPress 5.8 beta: Stored Cross-Site Scripting (XSS) vulnerability in widget"
      },
      "affects": {
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            {
              "product": {
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                    "product_name": "wordpress-develop",
                    "version": {
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                          "version_value": "5.8 beta 1"
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                          "version_value": "5.8 beta 2"
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          }
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      },
      "impact": {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
          "version": "3.1"
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                "lang": "eng",
                "value": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
              }
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          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-fr6h-3855-j297",
            "refsource": "CONFIRM",
            "url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-fr6h-3855-j297"
          },
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            "refsource": "MISC",
            "url": "https://hackerone.com/reports/1222797"
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        ]
      },
      "source": {
        "advisory": "GHSA-fr6h-3855-j297",
        "discovery": "UNKNOWN"
      }
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              "tags": [
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          "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
        },
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
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          "exploitabilityScore": 2.3,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2021-09-24T13:53Z",
      "publishedDate": "2021-09-09T22:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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