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TI-2025-35360 Aliases CVE-2025-56515GHSA-2c6j-vw6r-mfch

File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload…

Priority HIGH 73CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution, Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-434 and CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00516 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—fiora (npm)——No fix listedGHSA-2c6j-vw6r-mfch
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • fiora (npm) Vendor— Affected — Fixed in — No fix listed GHSA-2c6j-vw6r-mfch

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:suisuijiang:fiora:1.0.0:*:*:*:*:*:*:*1.0.0VulnerableSuisuijiang
  • cpe:2.3:a:suisuijiang:fiora:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Suisuijiang

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-56515
  2. 2026-10-03 Alias added: GHSA-2c6j-vw6r-mfch

References

  • TI-2025-35359 Cross Site Scripting (XSS) vulnerability in Fiora chat application 1.0.0 allows executes… CVSS 3.1MEDIUM 5.4

Sources