Vulnerability · Published Oct 20, 2026 · Assigned by airbus
CVE-2026-113808Stored XSS on SNS Enrollment Portal
High 7.1
In plain English
A high-severity cross-site scripting in Stormshield Network Security from Stormshield. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 88.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 user creation. The stored XSS can only be triggered during validation by the administrator.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Stormshield | Stormshield Network Security | 4.3.0 – through 4.3.444.8.0 – through 4.8.195.0.0 – through 5.0.95.1.0 – through 5.1.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H