CKEditor 4 (standard support) official lifecycle source
CKEditor 4 was launched in 2012 and reached its End of Life (EOL) on June 30, 2023.
Publisher identity used by product-specific official-source collectors.
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CKEditor 4 (standard support) is tracked by BlackTree as a software framework or development platform. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.
This claim was manually scoped and reviewed against the linked original publisher statement. It applies only to the named release and support phase. Confirm edition, device and contract applicability before acting.
Claim scope: CKEditor 4 standard and open-source support only. CKEditor 5 is unaffected, and paid CKEditor 4 LTS has distinct support terms.
Reviewed 14 Sep 2026.
CKEditor 4 (standard support) is tracked by BlackTree as a software framework or development platform. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.
Used by software teams to build, run or maintain applications.
Included in source projects, application dependencies, build systems or managed runtimes.
This category-level context is generated from the registered product identity. Confirm exact product capabilities on the publisher's page .
| Product | CKEditor 4 (standard support) |
|---|---|
| Release | CKEditor 4 standard/open-source support |
| End of CKEditor 4 standard end of life | 30 June 2023 |
| Date precision | Day |
These are product-family matches in the CISA Known Exploited Vulnerabilities catalogue. Confirm the affected product version in the vendor advisory.
No CISA known-exploited entries currently match this mapped product family.
This does not mean the product has no vulnerabilities.
OSV advisories are matched through the registered package URL. A package-family match does not prove that the installed release is affected. Check the affected and fixed versions before remediation.
No package advisories have been linked for this product identity.
This is not evidence that the product has no vulnerabilities.
CKEditor 4 was launched in 2012 and reached its End of Life (EOL) on June 30, 2023.
Publisher identity used by product-specific official-source collectors.
Open official vendor source