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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| silverstripe/framework | composer | >= 4.0.0, < 4.7.4 | 4.7.4 |
The vulnerability stems from XML parsing in CSSContentParser allowing external entities. Though the class is intended for test purposes, its misuse with user-controlled data made it vulnerable. The patch explicitly disabled external entities (LIBXML_NOENT), confirming the root cause was insecure XML parsing configuration in this component. The primary vulnerable function would be the HTML/XML parsing logic within CSSContentParser initialization.
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