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Vulnerability record · CVE-2022-24728 · published 16 March 2022

CVE-2022-24728: Ckeditor cross-site scripting vulnerability

Ckeditor · Ckeditor

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.

5.4 CVSS 3.1 Medium EPSS 1.2% · top 33.0% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

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.

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

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://ckeditor.com/cke4/release/CKEditor-4.18.0 Release NotesVendor Advisory
https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949 PatchThird Party Advisory
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-4fc4-4p5g-6w89 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7
https://www.drupal.org/sa-core-2022-005 PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html PatchThird Party Advisory
https://ckeditor.com/cke4/release/CKEditor-4.18.0 Release NotesVendor Advisory
https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949 PatchThird Party Advisory
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-4fc4-4p5g-6w89 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7
https://www.drupal.org/sa-core-2022-005 PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-24728), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.