HTML comments vulnerability allowing to execute JavaScript code
### Affected packages The vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. ### Impact A potential vulnerability has been discovered in CKEditor 4 HTML processing core module. The vulnerability allowed to inject malformed comments 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 William Bowling ([wbowling](https://github.com/wbowling)) for recognizing and reporting this vulnerability.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-41165US | medium5.4 | — | ||
CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEdi… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/ckeditor/ckeditor4PACKAGE
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417WEB
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-41165ADVISORY
- https://www.drupal.org/sa-core-2021-011WEB
- https://www.oracle.com/security-alerts/cpuapr2022.htmlWEB
- https://www.oracle.com/security-alerts/cpujan2022.htmlWEB
- https://www.oracle.com/security-alerts/cpujul2022.htmlWEB
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