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Medium · 6.1 CVE-2025-67438 EUVD-2025-207637GHSA-9jmq-xgjm-p8c2

Sync-in Server has a stored cross-site scripting (XSS) vulnerability

Published Feb 20, 2026 · Updated Feb 23, 2026 · Assigned by mitre

Description

A Stored Cross-Site Scripting (XSS) vulnerability in Sync-in Server before 1.9.3 allows an authenticated attacker to execute arbitrary JavaScript in a victim's browser. By uploading a crafted SVG file containing a malicious payload, an attacker can access and exfiltrate sensitive information, including the user's session cookies.

Affected packages

EcosystemPackageAffectedFixedRecord
npm @sync-in/server < 1.9.3 1.9.3 GHSA-9jmq-xgjm-p8c2

References