CVE-2025-55944: Slinkapp Slink

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Slink v1.4.9 allows stored cross-site scripting (XSS) via crafted SVG uploads. When a user views the shared image in a new browser tab, the embedded JavaScript executes. The issue affects both authenticated and unauthenticated users.

Affected products

• Slinkapp Slink: version 1.4.9 only; version 1.5.1 only; version 1.6.3 only

Published 2025-09-03. Last modified 2026-06-17.