What’s Vulnerable › Vulnerabilities
CVE-2022-24728: Cross-site Scripting in CKEditor4
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-03-16 · updated 2026-06-17
- Weakness: CWE-79
Description
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.
Affected products
- ckeditor4: from 4.0 before 4.18.0 — fixed in 4.18.0
- Drupal: from 8.0.0 before 9.2.15; from 9.3.0 before 9.3.8 — fixed in 9.2.15, 9.3.8
- Fedoraproject Fedora: 36, 37
- Oracle Corporation Application Express: before 22.1.1 — fixed in 22.1.1
- Oracle Corporation Commerce Merchandising: 11.3.2
- Oracle Corporation Financial Services Analytical Applications Infrastructure: from 8.0.7.0.0 through 8.1.0.0.0; 8.1.1.0, 8.1.2.0, 8.1.2.1
- Oracle Corporation Financial Services Behavior Detection Platform: from 8.1.1.0 through 8.1.2.1; 8.0.7.0, 8.0.8.0
- Oracle Financial Services Trade-Based Anti Money Laundering: 8.0.7, 8.0.8
- Oracle Corporation PeopleSoft Enterprise PT PeopleTools: 8.58, 8.59
How to fix
Upgrade to a fixed version: ckeditor4 4.18.0; Drupal 9.2.15, 9.3.8; Oracle Corporation Application Express 22.1.1. Check the vendor advisory for mitigations.
References
- https://ckeditor.com/cke4/release/CKEditor-4.18.0
- https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-4fc4-4p5g-6w89
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
- https://www.drupal.org/sa-core-2022-005
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://ckeditor.com/cke4/release/CKEditor-4.18.0
- https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-4fc4-4p5g-6w89
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
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