Medium severity · published Oct 20, 2026
CVE-2026-113465
Possible DOM XSS in SNS Web Administration Portal
6.6
CVSS
0.2%
EPSS
No
On KEV
Description
It is possible to execute a DOM-based Cross-Site Scripting attack against Stormshield’s web administration panel.
To exploit this vulnerability, an attacker would need to craft a URL containing a malicious script payload within a specific parameter and lure an authenticated administrator into visiting that link.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Stormshield Network Security · Stormshield
5.0.0 through 5.0.9; 5.1.0 through 5.1.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113465
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113465
advisories.stormshield.eu
https://advisories.stormshield.eu/2026-022/
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