GitHub Advisoryadvisory · npm

GHSA-2c6j-vw6r-mfch Fiora chat group avatar is vulnerable to XSS via SVG files

LOW Published 2025-10-01 Modified 2025-10-01 Official page ↗
Aliases
CVE-2025-56515
Ecosystem
npm
Packages
fiora
Severity
Low
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P
Weaknesses
CWE-79
Reviewed
2025-10-01

Affected packages

• npm fiora: 1.0.0 (no fix yet)

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.

Related

Alias · CVE (1)

  • CVE-2025-56515 File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References