Vulnerability Description
File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. The application fails to validate SVG file content, allowing malicious SVG files with embedded foreignObject elements containing iframe tags and JavaScript event handlers (onmouseover) to be uploaded and stored. When rendered, these SVG files execute arbitrary JavaScript, enabling attackers to steal user sessions, cookies, and perform unauthorized actions in the context of users viewing affected profiles.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Suisuijiang | Fiora | 1.0.0 |
Related Weaknesses (CWE)
References
- https://fiora.suisuijiang.com/Product
- https://github.com/Kov404/CVE-2025-56515/tree/mainExploitThird Party Advisory
- https://github.com/yinxin630/fioraProduct
FAQ
What is CVE-2025-56515?
CVE-2025-56515 is a vulnerability with a CVSS score of 8.8 (HIGH). File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. The application fails to validate SVG file content, allowing malicious SVG files with embedded forei...
How severe is CVE-2025-56515?
CVE-2025-56515 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-56515?
Check the references section above for vendor advisories and patch information. Affected products include: Suisuijiang Fiora.