Fiora chat user avatar is vulnerable to XSS via SVG files

published 2025-10-01 13 mo ago modified 2026-11-05 3 d ago also GHSA-hg3j-6pmh-mvjr , EUVD-2025-32706

cvss: 4.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

Cross Site Scripting (XSS) vulnerability in Fiora chat application 1.0.0 allows executes arbitrary JavaScript when malicious SVG files are rendered by other users.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 13 mo ago (2025-10-08)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/Kov404/CVE-2025-56514/tree/main referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	4.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	4.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	fiora	1 listed version	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /Kov404/CVE-2025-56514/tree/main
web, exploit, third-party-advisory
github.com /yinxin630/fiora
package, product
fiora.suisuijiang.com /
product
nvd.nist.gov /vuln/detail/CVE-2025-56514
advisory
fiora.suisuijiang.com
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary