CVE-2025-56515
Last modified
CVE-2025-56515 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Suisuijiang | Fiora | 1.0.0 |
References
- https://github.com/Kov404/CVE-2025-56515/tree/mainExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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