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GSD-2021-33829

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!> is mishandled.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-33829",
    "description": "A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!\u003e is mishandled.",
    "id": "GSD-2021-33829",
    "references": [
      "https://security.archlinux.org/CVE-2021-33829",
      "https://ubuntu.com/security/CVE-2021-33829"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-33829"
      ],
      "details": "A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!\u003e is mishandled.",
      "id": "GSD-2021-33829",
      "modified": "2023-12-13T01:23:18.736051Z",
      "schema_version": "1.4.0"
    }
  },
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            }
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          }
        ]
      },
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          },
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          "affected_versions": "All versions starting from 4.14.0 before 4.16.1",
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          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
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            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-11-23",
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          "fixed_versions": [],
          "identifier": "CVE-2021-33829",
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          "not_impacted": "",
          "package_slug": "npm/ckeditor",
          "pubdate": "2021-06-09",
          "solution": "Unfortunately, there is no solution available yet.",
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          ],
          "uuid": "c4f66e03-feac-4a69-8013-0abc1b887b92"
        },
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          "date": "2021-11-23",
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          ],
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          "package_slug": "npm/ckeditor4",
          "pubdate": "2021-06-09",
          "solution": "Upgrade to version 4.16.1 or above.",
          "title": "Cross-site Scripting",
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          ],
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      },
      "impact": {
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          "cvssV2": {
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            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-11-23T21:32Z",
      "publishedDate": "2021-06-09T12:15Z"
    }
  }
}



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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

Author Source Type Date Other

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.

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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.


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