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The GitHub patch shows critical changes in admin_organizer.js where title attributes were being built with item.name. The original code used htmlspecialchars(item.name) once, but XSS was still possible due to context-aware escaping requirements. The vulnerability stems from insufficient output encoding when handling user-supplied referer URLs in error logs, which were then reflected in admin-facing title attributes without proper sanitization. The fix applies double escaping (htmlspecialchars(htmlspecialchars(...))) to prevent this injection.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| tribalsystems/zenario | composer | < 8.5.51340 | 8.5.51340 |
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