GSD-2021-3313

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user's input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim's browser if the victim opens a vulnerable page containing an XSS payload.
Aliases
Aliases
CVE-2021-3313
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-3313",
    "description": "Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user\u0027s input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim\u0027s browser if the victim opens a vulnerable page containing an XSS payload.",
    "id": "GSD-2021-3313"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      ],
      "details": "Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user\u0027s input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim\u0027s browser if the victim opens a vulnerable page containing an XSS payload.",
      "id": "GSD-2021-3313",
      "modified": "2023-12-13T01:23:34.176744Z",
      "schema_version": "1.4.0"
    }
  },
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            "name": "https://plone.org/download/releases/5.2.3",
            "refsource": "MISC",
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          {
            "name": "[oss-security] 20210522 Re: Plone security hotfix 20210518",
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      "advisories": [
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          "affected_range": "\u003c5.2.4",
          "affected_versions": "All versions before 5.2.4",
          "cvss_v2": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-05-25",
          "description": "Plone CMS has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user\u0027s input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim\u0027s browser if the victim opens a vulnerable page containing an XSS payload.",
          "fixed_versions": [
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          "identifier": "CVE-2021-3313",
          "identifiers": [
            "CVE-2021-3313"
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          "not_impacted": "All versions starting from 5.2.4",
          "package_slug": "pypi/Plone",
          "pubdate": "2021-05-20",
          "solution": "Upgrade to version 5.2.4 or above.",
          "title": "Cross-site Scripting",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-3313",
            "https://plone.org/download/releases/5.2.3",
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              "tags": [
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      "impact": {
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          "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"
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          "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"
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          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2021-05-25T19:01Z",
      "publishedDate": "2021-05-20T16:15Z"
    }
  }
}


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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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