CVE-2021-41164
Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML
Impact
### Affected packages The vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. ### Impact A potential vulnerability has been discovered in CKEditor 4 Advanced Content Filter (ACF) core module. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. ### Patches The problem has been recognized and patched. The fix will be available in version 4.17.0. ### For more information Email us at security@cksource.com if you have any questions or comments about this advisory. ### Acknowledgements The CKEditor 4 team would like to thank Maurice Dauer ([laytonctf](https://twitter.com/laytonctf)) for recognizing and reporting this vulnerability.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | ckeditor4 | < 4.17.0 | 4.17.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ckeditor | Ckeditor | from 4.0 before 4.17.0 |
| Drupal | Drupal | from 8.9.0 before 8.9.20 from 9.1.0 before 9.1.14 from 9.2.0 before 9.2.9 |
| Oracle | Banking Apis | from 18.1 through 18.3 Versions 19.1, 19.2, 20.1, 21.1 |
| Oracle | Banking Digital Experience | from 18.1 through 18.3 Versions 19.1, 19.2, 20.1, 21.1 |
| Oracle | Agile Product Lifecycle Management | Version 9.3.6 |
| Oracle | Application Express | before 22.1 |
| Oracle | Commerce Guided Search | Version 11.3.2 |
| Oracle | Peoplesoft Enterprise Peopletools | Versions 8.58, 8.59 |
| Oracle | Webcenter Portal | Versions 12.2.1.3.0, 12.2.1.4.0 |
| Fedoraproject | Fedora | Versions 36, 37 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
- https://www.drupal.org/sa-core-2021-011
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/advisories/GHSA-pvmx-g8h5-cprj
- https://nvd.nist.gov/vuln/detail/CVE-2021-41164
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/