CVE-2026-61456 : 詳細

CVE-2026-61456

4.6
/
中
2026-07-10
15h16 +00:00
Cross-site Scripting
A03-Injection
Network
2026-10-25
15h10 +00:00
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CVE の説明

The Grav API plugin (getgrav/grav-plugin-api) before 1.0.3 fails to sanitize SVG files uploaded through the POST /api/v1/media endpoint. The HandlesMediaUploads::processUploadedFile() method validates only the file extension and never invokes Security::sanitizeSVG(), so an authenticated attacker with the api.media.write permission can upload an SVG containing arbitrary JavaScript. The file is stored unmodified and served with Content-Type: image/svg+xml; when an administrator opens it in a browser (directly or via /