CVE-2025-67438
Sync-in Server has a stored cross-site scripting (XSS) vulnerability
EPSS 0.05%
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.
How to fix CVE-2025-67438
To remediate CVE-2025-67438, upgrade the affected package to a fixed version below.
- npm/@sync-in/server—upgrade to 1.9.3 or later
Is CVE-2025-67438 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.9.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |