FKIE_CVE-2021-35955

Vulnerability from fkie_nvd - Published: 2021-08-12 15:15 - Updated: 2024-11-21 06:12
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Summary
Contao >=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7.
References
cve@mitre.orghttps://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.htmlVendor Advisory
cve@mitre.orghttps://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcpThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcpThird Party Advisory
Impacted products
Vendor Product Version
contao contao *
contao contao *
contao contao *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "050530D4-3934-4F6B-B4CD-0FA871B16FBA",
              "versionEndExcluding": "4.4.56",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "86916B26-65B1-4557-95C9-03A62F1A3216",
              "versionEndExcluding": "4.9.18",
              "versionStartIncluding": "4.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8E05FE29-4CB5-47D9-935B-48A560D9E50D",
              "versionEndExcluding": "4.11.7",
              "versionStartIncluding": "4.10.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Contao \u003e=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7."
    },
    {
      "lang": "es",
      "value": "Contao versiones posteriores a 4.0.0 incluy\u00e9ndola, permite un ataque de tipo XSS de backend por medio de atributos HTML a un campo HTML. Corregido en versiones 4.4.56, 4.9.18, 4.11.7"
    }
  ],
  "id": "CVE-2021-35955",
  "lastModified": "2024-11-21T06:12:49.763",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-12T15:15:07.960",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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