🚨 CVE-2026-85613
OpenPanel before 2.3.0 contains a cross-site scripting vulnerability in the unauthenticated favicon proxy endpoint GET /misc/favicon that allows remote attackers to execute scripts by supplying an SVG file URL. Attackers can host malicious SVG files with embedded scripts that execute in the victim's browser on the API origin, enabling same-origin credentialed requests to authenticated endpoints.
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GitHub
Unauthenticated XSS via SVG-inline favicon proxy (GET /misc/favicon?url=)
The OpenPanel API exposes an unauthenticated favicon-proxy endpoint `GET /misc/favicon?url=<url>` (apps/api/src/routes/misc.router.ts -> getFavicon in apps/api/src/controllers/misc.control...
September 4, 2026 24
