CVE-2022-24729 - CVE House
Back to Database
Status published Medium CVE-2022-24729

Regular expression Denial of Service in dialog plugin

Vulnerability Description

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-24729

Credits & Attribution

No credits recorded in the NVD database.

References

More from ckeditor

View All →
CVE-2025-58064
CKEditor is susceptible to Cross-Site Scripting (XSS) through its clipboard package
Low 2.3
CVE-2025-25299
Cross-site scripting (XSS) in the real-time collaboration package
Low 2.3
CVE-2024-45613
CKEditor 5 has Cross-site Scripting vulnerability in the clipboard package
Medium 5.1
CVE-2024-43411
CKEditor4 has a low risk cross-site scripting (XSS) vulnerability from domain takeover
Low 3.1
CVE-2024-43407
Code Snippet GeSHi plugin has reflected cross-site scripting (XSS) vulnerability
Medium 6.1

Affected Vendor

Affected Software

ckeditor4
Vulnerable Versions:
< 4.18.0

Timeline

Official Publish: March 16th, 2022
Last Modified: April 23rd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact