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CVE-2025-56515 Detail

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

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://fiora.suisuijiang.com/ MITRE
https://github.com/Kov404/CVE-2025-56515/tree/main MITRE
https://github.com/yinxin630/fiora MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-434 Unrestricted Upload of File with Dangerous Type CISA-ADP  
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CISA-ADP  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-56515
NVD Published Date:
10/01/2025
NVD Last Modified:
10/01/2025
Source:
MITRE