Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / npm/ckeditor/CVE-2022-24728
Advisory ID gitlab/npm/ckeditor/CVE-2022-24728
Aliases CVE-2022-24728
GHSA-4fc4-4p5g-6w89
Summary Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4 prior to version 4.18.0. The vulnerability allows someone to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. This problem has been patched in version 4.18.0. There are currently no known workarounds.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv2 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ckeditor/CVE-2022-24728.yml
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ckeditor/CVE-2022-24728.yml
Reference id Reference type URL
https://ckeditor.com/cke4/release/CKEditor-4.18.0
https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949
https://www.drupal.org/sa-core-2022-005
CVE-2022-24728 https://nvd.nist.gov/vuln/detail/CVE-2022-24728
GHSA-4fc4-4p5g-6w89 https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-4fc4-4p5g-6w89
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ckeditor/CVE-2022-24728.yml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/ckeditor/CVE-2022-24728.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:08:59Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2022/24xxx/CVE-2022-24728.json

Source Advisory: vulnrichment/CVE-2022-24728

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]