CVE-2021-26271

MEDIUM

Ckeditor < 4.16 - Denial of Service

Title source: rule
STIX 2.1

Description

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).

Scores

CVSS v3 6.5
EPSS 0.0062
EPSS Percentile 70.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-829
Status published
Products (12)
ckeditor/ckeditor 4.0 - 4.16
npm/ckeditor4-dev 0 - 4.16npm
oracle/agile_plm 9.3.5
oracle/agile_plm 9.3.6
oracle/application_express < 21.1.0
oracle/financial_services_analytical_applications_infrastructure 8.1.0
oracle/financial_services_analytical_applications_infrastructure 8.1.1
oracle/financial_services_analytical_applications_infrastructure 8.0.6 - 8.0.9
oracle/jd_edwards_enterpriseone_tools < 9.2.6.0
oracle/siebel_ui_framework < 21.9
... and 2 more
Published Jan 26, 2021
Tracked Since Feb 18, 2026