CVE-2022-24728
Regular expression Denial of Service in dialog plugin
5.4
MEDIUM
CVSS 3.1
EPSS 1.2%
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.
How to fix CVE-2022-24728
To remediate CVE-2022-24728, upgrade the affected package to a fixed version below.
- —upgrade to 9.2.15 or later
- —upgrade to 9.2.15 or later
- —no fix listed
- —no fix listed
- —upgrade to 9.2.15 or later
- —upgrade to 4.18.0 or later
Is CVE-2022-24728 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 8.0.0, < 9.2.15, >= 9.3.0, < 9.3.8
- >= 8.0.0, < 9.2.15, >= 9.3.0, < 9.3.8
- from 0
- from 0
- >= 8.0.0, < 9.2.15 | >= 9.3.0, < 9.3.8
- from 0, < 4.18.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |