Description
CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. 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. The problem has been recognized and patched. The fix will be available in version 4.17.0.
Remediation
References
Related Vulnerabilities
WordPress Plugin Tierra's Billboard Manager SQL Injection (1.14)
WordPress Plugin Facebook Photo Fetcher Unspecified Vulnerability (2.1.17)
Python Improper Restriction of XML External Entity Reference Vulnerability (CVE-2013-0340)
WordPress Plugin Kraken.io Image Optimizer Cross-Site Request Forgery (2.6.5)