CVE-2025-67438

MEDIUM

Sync-in Server < 1.9.3 - Authenticated Stored Cross-Site Scripting via SVG File Upload

Title source: llm

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.

References (2)

Core 2

Core References

Various Sources

https://gist.github.com/x0root/86db30af91bb0e1707eb7e57a049b6ad

Release Notes

https://github.com/Sync-in/server/releases/tag/v1.9.3

Scores

CVSS v3 6.1

EPSS 0.0005

EPSS Percentile 15.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

sync-in/server 0 - 1.9.3npm

sync-in/sync-in_server < 1.9.3

Published Feb 20, 2026

Tracked Since Feb 20, 2026