Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 10:54

Modified

2026-09-08 08:34

Summary

Regular expression Denial of Service in dialog plugin

Details

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the dialog plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "drupal",
        "purl": "pkg:bitnami/drupal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.0.0"
            },
            {
              "fixed": "9.2.15"
            },
            {
              "introduced": "9.3.0"
            },
            {
              "fixed": "9.3.8"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-24729"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.",
  "id": "BIT-drupal-2022-24729",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2024-03-06T10:54:08.369Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ckeditor.com/cke4/release/CKEditor-4.18.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.drupal.org/sa-core-2022-005"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24729"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Regular expression Denial of Service in dialog plugin"
}

CVE-2022-24729 (GCVE-0-2022-24729)

Vulnerability from cvelistv5 – Published: 2022-03-16 00:00 – Updated: 2025-04-23 18:53

Title

Regular expression Denial of Service in dialog plugin

Summary

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 14:08 UTC

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7613 records in the last 180 days details

References

6 references

URL	Tags
https://ckeditor.com/cke4/release/CKEditor-4.18.0
https://github.com/ckeditor/ckeditor4/security/ad…
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.drupal.org/sa-core-2022-005
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
ckeditor	ckeditor4	Affected: < 4.18.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T04:20:49.845Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://ckeditor.com/cke4/release/CKEditor-4.18.0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.drupal.org/sa-core-2022-005"
          },
          {
            "name": "FEDORA-2022-b61dfd219b",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/"
          },
          {
            "name": "FEDORA-2022-4c634ee466",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-24729",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T14:08:56.683124Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T18:53:35.902Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ckeditor4",
          "vendor": "ckeditor",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.18.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-14T00:00:00.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "url": "https://ckeditor.com/cke4/release/CKEditor-4.18.0"
        },
        {
          "url": "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
        },
        {
          "url": "https://www.drupal.org/sa-core-2022-005"
        },
        {
          "name": "FEDORA-2022-b61dfd219b",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/"
        },
        {
          "name": "FEDORA-2022-4c634ee466",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/"
        }
      ],
      "source": {
        "advisory": "GHSA-f6rf-9m92-x2hh",
        "discovery": "UNKNOWN"
      },
      "title": "Regular expression Denial of Service in dialog plugin"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-24729",
    "datePublished": "2022-03-16T00:00:00.000Z",
    "dateReserved": "2022-02-10T00:00:00.000Z",
    "dateUpdated": "2025-04-23T18:53:35.902Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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