Vulnerability · Published Oct 1, 2025 · Assigned by mitre

CVE-2025-56514

Medium 4.6

In plain English

A medium-severity cross-site scripting in the fiora package (npm). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.3%top 78.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmfiorano fix listedGHSA-hg3j-6pmh-mvjr

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

References