GSD-2021-33851

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack. The XSS payload given in the "Custom logo link" executes whenever the user opens the Settings Page of the "Customize Login Image" Plugin.
Aliases
Aliases
CVE-2021-33851
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-33851",
    "description": "A Cross-Site Scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user\u2019s browser while the browser is connected to a trusted website. The attack targets your application\u0027s users and not the application itself while using your application as the attack\u0027s vehicle. The XSS payload executes whenever the user opens the login page of the WordPress application.",
    "id": "GSD-2021-33851"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-33851"
      ],
      "details": "A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user\u0027s browser and can use an application as the vehicle for the attack. The XSS payload given in the \"Custom logo link\" executes whenever the user opens the Settings Page of the \"Customize Login Image\" Plugin.",
      "id": "GSD-2021-33851",
      "modified": "2023-12-13T01:23:18.379628Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "disclose@cybersecurityworks.com",
        "ID": "CVE-2021-33851",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "WordPress Customize Login Image Plugin",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Version 3.4"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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                "lang": "eng",
                "value": "CWE-79"
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      "references": {
        "reference_data": [
          {
            "name": "https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html",
            "refsource": "MISC",
            "url": "https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html"
          }
        ]
      }
    },
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                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
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      },
      "cve": {
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          "ID": "CVE-2021-33851"
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        "description": {
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              "value": "A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user\u0027s browser and can use an application as the vehicle for the attack. The XSS payload given in the \"Custom logo link\" executes whenever the user opens the Settings Page of the \"Customize Login Image\" Plugin."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
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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": "2022-03-12T04:08Z",
      "publishedDate": "2022-03-10T17:42Z"
    }
  }
}


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  • 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.
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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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