CVE-2022-24729

Regular expression Denial of Service in dialog plugin

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.

Categories

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.60%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory ckeditor.com
Affected: ckeditor ckeditor4
Published at:
Updated at:

References

Link Tags
https://ckeditor.com/cke4/release/CKEditor-4.18.0 release notes vendor advisory
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh third party advisory
https://www.oracle.com/security-alerts/cpujul2022.html third party advisory patch
https://www.drupal.org/sa-core-2022-005 third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-24729?
CVE-2022-24729 has been scored as a medium severity vulnerability.
How to fix CVE-2022-24729?
To fix CVE-2022-24729, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-24729 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-24729 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-24729?
CVE-2022-24729 affects ckeditor ckeditor4.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.