FKIE_CVE-2021-24284

Vulnerability from fkie_nvd - Published: 2021-05-14 12:15 - Updated: 2026-06-17 03:39
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.
References
contact@wpscan.comhttp://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.htmlExploit, Third Party Advisory, VDB Entry
contact@wpscan.comhttps://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477Product, Third Party Advisory
contact@wpscan.comhttps://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477Product, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5Exploit, Third Party Advisory
Impacted products
Vendor Product Version
kaswara_project kaswara *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Kaswara Modern VC Addons",
          "vendor": "SayenThemes",
          "versions": [
            {
              "lessThanOrEqual": "3.0.1",
              "status": "affected",
              "version": "3.0.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kaswara_project:kaswara:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "8B9EF5A0-624E-4C09-8DB5-8DD87CFF3FFA",
              "versionEndIncluding": "3.0.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the \u0027uploadFontIcon\u0027 AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP."
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress Kaswara Modern VC Addons versiones hasta 3.0.1, permite la carga de archivos arbitrarios no autenticados mediante la acci\u00f3n AJAX \"uploadFontIcon\".\u0026#xa0;El archivo zip proporcionado est\u00e1 siendo descomprimido en el directorio wp-content/uploads/kaswara/fonts_icon sin comprobaci\u00f3n de archivos maliciosos como PHP"
    }
  ],
  "id": "CVE-2021-24284",
  "lastModified": "2026-06-17T03:39:45.913",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-14T12:15:08.387",
  "references": [
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.html"
    },
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "url": "https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477"
    },
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "url": "https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ],
      "source": "contact@wpscan.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.