CVE-2026-50040CWE-79

Cross-site Scripting in StoneFly Storage Concentrator

Medium · published June 30, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
24.5
In the wild
Unconfirmed
What it is

Storage Concentrator (SC & SCVM) is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser session in the context of the application. This could be leveraged to steal session cookies, redirect users, or perform unauthorized actions on behalf of the victim.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N
EPSS
0.00327 · 24.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-06-30T22:27Z
EPSS history
Timeline
  • 30 JUN 22:27Z
    Cross-site Scripting in StoneFly Storage Concentrator
    cvelistv5