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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ckeditor | ckeditor4 | < 4.24.0-lts | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | ckeditor +1 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | request-tracker4 +1 | No fix yet | — |
| Ubuntu 25.10 | ckeditor +2 | No fix yet | — |
| Ubuntu 24.04 LTS | ckeditor3 +2 | No fix yet | — |
| Ubuntu 22.04 LTS | ckeditor3 +2 | No fix yet | — |
| Ubuntu 20.04 LTS | ckeditor3 +2 | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | ckeditor3 +1 | No fix yet | — |
| Ubuntu 16.04 LTS | request-tracker4 +1 | No fix yet | — |
| Ubuntu Pro 24.04 LTS | ckeditor | 4.22.1+dfsg1-2ubuntu0.24.04.1~esm1 | USN-7258-1 |
| Ubuntu Pro 22.04 LTS | ckeditor | 4.16.2+dfsg-1ubuntu0.1~esm1 | USN-7258-1 |
| Ubuntu Pro 20.04 LTS | ckeditor | 4.12.1+dfsg-1ubuntu0.1+esm1 | USN-7258-1 |
| Ubuntu Pro 18.04 LTS | ckeditor | 4.5.7+dfsg-2ubuntu0.18.04.1+esm1 | USN-7258-1 |
| Ubuntu Pro 18.04 LTS | request-tracker4 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | ckeditor | 4.5.7+dfsg-2ubuntu0.16.04.1~esm2 | USN-7258-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
afine-com/CVE-2024-24816 ★ 2 · Feb 10, 2024
CKEditor 4 < 4.24.0-lts - XSS vulnerability in samples that use the "preview" feature.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | ckeditor4 | < 4.24.0-lts | 4.24.0-lts | GHSA-mw2c-vx6j-mg76 |
Advisories 4
- USN-7258-1 ckeditor vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- NCSC-2024-0297 Kwetsbaarheden verholpen in Oracle Financial Services Applications NCSC-NL (Netherlands) · Jul 17, 2024
- WID-SEC-2024-1638 Oracle Financial Services Applications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 16, 2024
- WID-SEC-2024-0896 Oracle Insurance Applications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 16, 2024