FKIE_CVE-2021-34817

Vulnerability from fkie_nvd - Published: 2021-07-19 14:15 - Updated: 2024-11-21 06:11
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.
References
cve@mitre.orghttps://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesThird Party Advisory
cve@mitre.orghttps://etherpad.org/#downloadPatch, Vendor Advisory
cve@mitre.orghttps://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfaExploit, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/ether/etherpad-lite/releases/tag/1.8.14Patch, Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://etherpad.org/#downloadPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfaExploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ether/etherpad-lite/releases/tag/1.8.14Patch, Release Notes, Third Party Advisory
Impacted products
Vendor Product Version
etherpad etherpad 1.8.13
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*",
              "matchCriteriaId": "A5B28B8D-9C9D-41A7-834C-2DEBE3862A6D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad."
    },
    {
      "lang": "es",
      "value": "Un problema de tipo Cross-Site Scripting (XSS) en el componente chat de Etherpad versi\u00f3n 1.8.13, permite a atacantes remotos inyectar JavaScript o HTML arbitrario al importar un pad dise\u00f1ado"
    }
  ],
  "id": "CVE-2021-34817",
  "lastModified": "2024-11-21T06:11:15.953",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "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": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-07-19T14:15:08.150",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://etherpad.org/#download"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://etherpad.org/#download"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.



Detection rules are retrieved from Rulezet.