CVE-2025-67438
Last modified
CVE-2025-67438 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sync-In | Sync-In Server | < 1.9.3 |
References
- https://gist.github.com/x0root/86db30af91bb0e1707eb7e57a049b6adExploit, Third Party Advisory
- https://github.com/Sync-in/server/releases/tag/v1.9.3Patch, Release Notes
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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