CVE-2021-26271

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Source
https://cve.org/CVERecord?id=CVE-2021-26271
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26271.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-26271
Aliases
Downstream
Published
2021-01-26T21:15:12Z
Modified
2026-08-27T03:45:49Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "fixed":  "21.1.0"
                }
            ],
            "source":  "CPE_RANGE",
            "vendor_product":  "oracle:application_express"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "8.0.6"
                },
                {
                    "last_affected":  "8.0.9"
                }
            ],
            "source":  "CPE_RANGE",
            "vendor_product":  "oracle:financial_services_analytical_applications_infrastructure"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "fixed":  "9.2.6.0"
                }
            ],
            "source":  "CPE_RANGE",
            "vendor_product":  "oracle:jd_edwards_enterpriseone_tools"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:siebel_ui_framework:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "fixed":  "21.9"
                }
            ],
            "source":  "CPE_RANGE",
            "vendor_product":  "oracle:siebel_ui_framework"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.5:*:*:*:*:*:*:*",
                "cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.6:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "9.3.5"
                },
                {
                    "last_affected":  "9.3.5"
                },
                {
                    "introduced":  "9.3.6"
                },
                {
                    "last_affected":  "9.3.6"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "oracle:agile_product_lifecycle_management"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.1:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "8.1.0"
                },
                {
                    "last_affected":  "8.1.0"
                },
                {
                    "introduced":  "8.1.1"
                },
                {
                    "last_affected":  "8.1.1"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "oracle:financial_services_analytical_applications_infrastructure"
        },
        {
            "cpes":  [
                "cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "12.2.1.3.0"
                },
                {
                    "last_affected":  "12.2.1.3.0"
                },
                {
                    "introduced":  "12.2.1.4.0"
                },
                {
                    "last_affected":  "12.2.1.4.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "oracle:webcenter_sites"
        }
    ]
}
References

Affected packages

Git / github.com/ckeditor/ckeditor4

Affected ranges

Type
GIT
Repo
https://github.com/ckeditor/ckeditor4
Events
Introduced
769d96134bcf29f5d3d870e25797ce9b9dc8289e
Fixed
17a1555f7fbb0e83f737c9efe27650dca8dff36f
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "4.0"
        },
        {
            "fixed":  "4.16"
        }
    ],
    "source":  "CPE_RANGE"
}

Affected versions

4.*
4.0
4.0.0
4.0.1
4.1
4.1.0
4.10.0
4.12.0
4.13.0
4.14.0
4.15.0
4.1rc
4.2
4.2.0
4.2.1
4.2.2
4.2.3
4.4.0
4.4.1
4.5.0
4.5.0-beta
4.6.0
4.7.0
4.8.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26271.json"

Git / github.com/ckeditor/ckeditor4-releases

Affected ranges

Type
GIT
Repo
https://github.com/ckeditor/ckeditor4-releases
Events
Introduced
870a561110a23435d78eda377400dca7f64d3bd3
Fixed
a393696ad5523e9f5ffab76e9b653240c49c770b
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "4.0"
        },
        {
            "fixed":  "4.16"
        }
    ],
    "source":  "CPE_RANGE"
}

Affected versions

4.*
4.0.1/standard
4.0/standard
4.1.1/standard
4.1.2/standard
4.1.3/standard
4.1/standard
4.1rc/standard
4.2.1/standard
4.2.2/standard
4.2.3/standard
4.2/standard
4.3.0/standard
4.3.1/standard
4.3.2/standard
standard/4.*
standard/4.10.0
standard/4.10.1
standard/4.11.0
standard/4.11.1
standard/4.11.2
standard/4.11.3
standard/4.11.4
standard/4.12.0
standard/4.12.1
standard/4.13.0
standard/4.13.1
standard/4.14.0
standard/4.14.1
standard/4.15.0
standard/4.15.1
standard/4.3.3
standard/4.3.4
standard/4.3.5
standard/4.4.0
standard/4.4.1
standard/4.4.2
standard/4.4.3
standard/4.4.4
standard/4.4.5
standard/4.4.6
standard/4.4.7
standard/4.4.8
standard/4.5.0
standard/4.5.1
standard/4.5.10
standard/4.5.11
standard/4.5.2
standard/4.5.3
standard/4.5.4
standard/4.5.5
standard/4.5.6
standard/4.5.7
standard/4.5.8
standard/4.5.9
standard/4.6.0
standard/4.6.1
standard/4.6.2
standard/4.7.0
standard/4.7.1
standard/4.7.2
standard/4.7.3
standard/4.8.0
standard/4.9.0
standard/4.9.1
standard/4.9.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26271.json"