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CVE-2021-41164

Published: 17 November 2021

CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.

Notes

AuthorNote
sbeattie
embedded copies of ckeditor are in ldap-account-manager,
rt4, and rt5
litios
no specific patch was found

Priority

Medium

Cvss 3 Severity Score

5.4

Score breakdown

Status

Package Release Status
ckeditor3
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
ldap-account-manager
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream Needs triage

hirsute Ignored
(end of life)
impish Ignored
(end of life)
xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
request-tracker4
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

xenial Needs triage

hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
ckeditor
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream
Released (4.17.0)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

lunar Not vulnerable
(4.19.1+dfsg-1)
mantic Not vulnerable
(4.19.1+dfsg-1)

Severity score breakdown

Parameter Value
Base score 5.4
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N