CVE-2020-9440

Publication date 10 March 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A cross-site scripting (XSS) vulnerability in the WSC plugin through 5.5.7.5 for CKEditor 4 allows remote attackers to run arbitrary web script inside an IFRAME element by injecting a crafted HTML element into the editor.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ckeditor	22.04 LTS jammy	Ignored
	21.10 impish	Ignored
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Ignored
	19.10 eoan	Ignored end of life
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored end of standard support, was needs-triage
	14.04 LTS trusty	Not in release

Notes

litios

Plugin is not present in the package

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.1 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality impact	Low
Integrity impact	Low
Availability impact	None

Scores

Parameter	Value
Base score	6.1 · Medium
Exploitability score	-
Impact score	-

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