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.
CVE-2022-24729
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 1.1%, top 21% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 82.4%
- KEV
- Not listed
Published
March 16, 2022
Last Modified
November 21, 2024
References (12)
- security-advisories@githubhttps://ckeditor.com/cke4/release/CKEditor-4.18.0
- security-advisories@githubhttps://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh
- security-advisories@githubhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
- security-advisories@githubhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
- security-advisories@githubhttps://www.drupal.org/sa-core-2022-005
- security-advisories@githubhttps://www.oracle.com/security-alerts/cpujul2022.html
- af854a3a-2127-422b-91ae-364da2661108https://ckeditor.com/cke4/release/CKEditor-4.18.0
- af854a3a-2127-422b-91ae-364da2661108https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
- af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/sa-core-2022-005
- af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.html
Affected Packages
(2 across 2 ecosystems)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ckeditor4 | — | 4.18.0 | — |
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| drupal/core | 8.0.0 ... 9.3.7 (235 versions) | 9.3.8 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-06-29 18:02 UTCOSV refresh
- 2026-06-29 14:04 UTCEPSS rescore
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- 2026-06-22 14:24 UTCEPSS rescore
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- 2026-06-12 06:36 UTCOSV refresh
- 2026-06-11 13:58 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 01:27 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2022-24729?
When was CVE-2022-24729 disclosed?
Is CVE-2022-24729 actively exploited?
What is the CVSS score of CVE-2022-24729?
How do I remediate CVE-2022-24729?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-24729
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