CVE-2025-56515
HIGHSuisuijiang Fiora - XSS
Title source: ruleDescription
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.
Exploits (1)
Scores
CVSS v3
8.8
EPSS
0.0003
EPSS Percentile
9.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-434
CWE-79
Status
published
Products (2)
npm/fiora
npm
suisuijiang/fiora
1.0.0
Published
Oct 01, 2025
Tracked Since
Feb 18, 2026