CVE-2022-24729: ckeditor ckeditor4 Uncontrolled Resource Consumption
Vulnerability summary
CVE-2022-24729 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in ckeditor ckeditor4. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.
Timeline
- 16-03-2022PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
2.49%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.49% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- ckeditor3All versions (No fix recorded)
- ldap-account-managerAll versions (No fix recorded)
- request-tracker4All versions (No fix recorded)
Ckeditor1 product
- ckeditor4< 4.18.0
Debian1 product
- ckeditor< 4.19.0+dfsg-1
3 vendors · 5 products
References
9 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory