CKEditor 4
Support for CKEditor 4 ended on 30/06/2023. There are no more security updates for this branch.
Latest version: 4.25.2, released on 10/07/2026
End of support: 30/06/2023
No known vulnerability open in 4.25.2
Vulnerabilities in CKEditor 4
19 vulnerabilities from the NVD affect at least one version of this branch. Last checked on 02/11/2026.
- CVE-2022-24729, CVSS 3.1: 7.5: fixed in 4.18.0
- CVE-2021-26272, CVSS 3.1: 6.5: fixed in 4.16
- CVE-2021-26271, CVSS 3.1: 6.5: fixed in 4.16
- CVE-2024-43407, CVSS 3.1: 6.1: fixed in 4.25.0
- CVE-2024-24816, CVSS 3.1: 6.1: fixed in 4.24.0
- CVE-2024-24815, CVSS 3.1: 6.1: fixed in 4.24.0
- CVE-2023-28439, CVSS 3.1: 6.1: fixed in 4.21.0
- CVE-2021-33829, CVSS 3.1: 6.1: fixed in 4.16.1
- CVE-2020-9440, CVSS 3.1: 6.1: not affected in 4.25.2
- CVE-2020-9281, CVSS 3.1: 6.1: fixed in 4.14
- CVE-2020-27193, CVSS 3.1: 6.1: not affected in 4.25.2
- CVE-2018-17960, CVSS 3.0: 6.1: fixed in 4.11.0
- CVE-2022-24728, CVSS 3.1: 5.4: fixed in 4.18.0
- CVE-2021-41165, CVSS 3.1: 5.4: fixed in 4.17.0
- CVE-2021-41164, CVSS 3.1: 5.4: fixed in 4.17.0
- CVE-2021-37695, CVSS 3.1: 5.4: fixed in 4.16.2
- CVE-2021-32809, CVSS 3.1: 5.4: fixed in 4.16.2
- CVE-2021-32808, CVSS 3.1: 5.4: fixed in 4.16.2
- CVE-2014-5191, CVSS 2.0: 4.3: not affected in 4.25.2
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