| Título | error311 FileRise 3.20.0 Cross Site Scripting |
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| Descrição | The footerHtml branding field is served in the unauthenticated public siteConfig endpoint without HTML sanitization. While other branding fields like loginTagline and metaDescription are sanitized via strip_tags(), footerHtml receives only a (string) cast. AdminModel.php buildPublicSubset() at line 214: 'footerHtml' => (string)($config['branding']['footerHtml'] ?? ''). UserController.php siteConfig() serves this to unauthenticated users via /api/public/siteConfig.php. An admin can inject arbitrary HTML/JS. CSP blocks script tags but not event handlers (img onerror, svg onload). Requires admin privileges to inject. PoC: curl -s http://127.0.0.1:8080/api/public/siteConfig.php | jq .branding.footerHtml returns unsanitized HTML.
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| Fonte | ⚠️ https://github.com/error311/FileRise/security/advisories/GHSA-rmwm-wq9g-583g |
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| Utilizador | BRabbit (UID 99520) |
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| Submissão | 03/07/2026 08h38 (há 2 meses) |
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| Moderação | 19/08/2026 18h39 (2 months later) |
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| Estado | Aceite |
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| Entrada VulDB | 393219 [error311 FileRise até 3.20.0 Branding Field AdminModel.php buildPublicSubset footerHtml Script de Site Cruzado] |
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| Pontos | 20 |
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