CVE-2024-24816: CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versio...

Description

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versions prior to 4.24.0-lts in samples that use the `preview` feature. All integrators that use these samples in the production code can be affected. The vulnerability allows an attacker to execute JavaScript code by abusing the misconfigured preview feature. It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples used in a production environment. A fix is available in version 4.24.0-lts.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.65%

73.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ckeditor	Ckeditor	>= 4.0, < 4.24.0

References

Timeline

Published: Feb 7, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-24816?

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versions prior to 4.24.0-lts in samples that use the `preview` feature. All integrators that use these samples in the production code can be affected. The vulnerability allows an attacker to execute JavaScript code by abusing the misconfigured preview feature. It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples used in a production environment. A fix is available in version 4.24.0-lts.

How severe is CVE-2024-24816?

CVE-2024-24816 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2024-24816?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.