CVE-2021-26271

Published: Jan 26, 2021Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

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).

Affected (11)

Products: Ckeditor: Ckeditor · Oracle: Agile Plm, Application Express, Financial Services Analytical Applications Infrastructure, Jd Edwards Enterpriseone Tools, Siebel Ui Framework, Webcenter Sites

1 product

6 products

Financial Services Analytical Applications Infrastructure

Jd Edwards Enterpriseone Tools

Siebel Ui Framework

Webcenter Sites

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Ckeditor Ckeditor	From 4.0 to 4.16

Configuration B

10 vulnerable

Vulnerable Software	Affected Versions
Oracle Agile Plm	Version 9.3.5
Oracle Agile Plm	Version 9.3.6
Oracle Application Express	Before 21.1.0
Oracle Financial Services Analytical Applications Infrastructure	From 8.0.6 to 8.0.9
Oracle Financial Services Analytical Applications Infrastructure	Version 8.1.0
Oracle Financial Services Analytical Applications Infrastructure	Version 8.1.1
Oracle Jd Edwards Enterpriseone Tools	Before 9.2.6.0
Oracle Siebel Ui Framework	Before 21.9
Oracle Webcenter Sites	Version 12.2.1.3.0
Oracle Webcenter Sites	Version 12.2.1.4.0