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Vulnerability Intelligence
Miggo AI
Miggo AIMiggo AI
JavaScriptJavaScript| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| ckeditor4 | npm | < 4.24.0-lts | 4.24.0-lts |
| ckeditor/ckeditor | composer | < 4.24.0 | 4.24.0 |
Miggo AIRoot Cause AnalysisThe vulnerability stems from the HTML parser's CDATA processing in core/htmlparser.js. The commit diff shows critical changes to CDATA handling:- Removed conditional text accumulation in cdata array- Changed cdata.join('') to direct cdata passing- Added regex-based CDATA boundary detection. The original implementation's incremental text accumulation and improper CDATA termination checks allowed attackers to inject unescaped content between CDATA tags that would bypass ACF validation. The patch fixes this by using strict regex matching for CDATA section boundaries.
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