4.3

CVE-2026-14466: stormshield stormshield_network_security Cross-site Scripting

CVSS: 4.3v3.1MediumDeferred
Published 04-09-2026Last modified 04-09-2026
Open JSON

Vulnerability summary

CVE-2026-14466 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in stormshield stormshield_network_security. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-09-2026
    PublishedVulnerability first disclosed.
  2. 04-09-2026
    Last modifiedVulnerability information updated.

Description

It’s possible to run a stored XSS in Stormshield’s web administration panel. To exploit this vulnerability, a SNS administrator with appropriate permissions must inject  some malicious script in a group’s comments in the webservices administration interface.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Stormshield1 product

1 vendor · 1 product

References

1 links