CVE-2026-63197
High · 7.3CVSS
7.3
EPSS
0.3%
Published
Nov 3, 2026
CISA due date
—
The record
traQ is a messenger application built for Digital Creators Club traP. Prior to 3.28.3, instances configured with TRAQ_STORAGE_TYPE=local can return user-uploaded SVG or HTML content from the /files/{fileId} retrieval endpoint for direct browser rendering. An attacker with file-upload capability can provide crafted active content and induce another user to open its file URL, causing attacker-controlled JavaScript to execute in the victim's browser. This issue is fixed in version 3.28.3.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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