CVE-2024-43411
lowpriority · track · 0EPSS 0.004 · 37 %ileEUUSEPSS · scored 2026-10-27
CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. The issue impacts only editor instances with enabled version notifications. Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please contact us. The fix is available in version 4.25.0-lts.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-6v96-m24v-f58jCKEditor4 low-risk cross-site scripting (XSS) vulnerability linked to potential domain takeover2024-08-21ghsa · osvUS
### Affected Packages The issue impacts only editor instances with enabled [version notifications](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html#cfg-versionCheck). Please note that this feature is disabled by default in all CKEditor 4 LTS versions. Therefore, if you use CKEditor 4 LTS, it is highly unlikely that you are affected by this vulnerability. If you are unsure, please [contact us](mailto:security@cksource.com). ### Impact A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. Although the vulnerability is purely hypothetical, we have addressed it in CKEditor 4.25.0-lts to ensure compliance with security best practices. ### Patches The issue has been recognized and patched. The fix is available in version 4.25.0-lts. ### For More Information If you have any questions or comments about this advisory, please email us at [security@cksource.com](mailto:security@cksource.com).
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-43411/cnnvd
- https://github.com/ckeditor/ckeditor4/commit/b5069c9cb769ea22eae1cbd7200f22b1cf2e3a7fcnnvd
- https://github.com/ckeditor/ckeditor4/releases/tag/4.25.0-ltsPatchcnnvd
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6v96-m24v-f58jcnnvd
- https://github.com/ckeditor/ckeditor4/commit/b5069c9cb769ea22eae1cbd7200f22b1cf2e3a7fenisa_euvd
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6v96-m24v-f58jenisa_euvd
- https://github.com/ckeditor/ckeditor4/commit/b5069c9cb769ea22eae1cbd7200f22b1cf2e3a7fnvd
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6v96-m24v-f58jnvd
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