FKIE_CVE-2024-22414

Vulnerability from fkie_nvd - Published: 2024-01-17 21:15 - Updated: 2024-11-21 08:56
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/<user>` page allows a user's comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `<div class="content" tag="content">{{comment[2]|safe}}</div>`. Use of the "safe" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation.
References
security-advisories@github.comhttps://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6Exploit, Vendor Advisory
Impacted products
Vendor Product Version
dogukanurker flaskblog *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dogukanurker:flaskblog:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5CCDE123-D7EB-4E6B-BB34-7F1E2114F770",
              "versionEndIncluding": "1.1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/\u003cuser\u003e` page allows a user\u0027s comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `\u003cdiv class=\"content\" tag=\"content\"\u003e{{comment[2]|safe}}\u003c/div\u003e`. Use of the \"safe\" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation."
    },
    {
      "lang": "es",
      "value": "flaskBlog es una aplicaci\u00f3n de blog sencilla creada con Flask. El almacenamiento y la representaci\u00f3n inadecuados de la p\u00e1gina `/user/` permiten que los comentarios de un usuario ejecuten c\u00f3digo javascript arbitrario. La plantilla html `user.html` contiene el siguiente fragmento de c\u00f3digo para representar los comentarios realizados por un usuario: `{{comment[2]|safe}}` . El uso de la etiqueta \"safe\" hace que flask _not_ escape del contenido renderizado. Para remediar esto, simplemente elimine la etiqueta `|safe` del HTML anterior. No hay ninguna soluci\u00f3n disponible y se recomienda a los usuarios que editen manualmente su instalaci\u00f3n."
    }
  ],
  "id": "CVE-2024-22414",
  "lastModified": "2024-11-21T08:56:14.243",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "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:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 3.7,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-01-17T21:15:12.100",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}


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  • 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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