CVE-2026-113808: high-severity vulnerability in Stormshield Network Security
Stored XSS on SNS Enrollment Portal
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.2%
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.
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Stormshield · Stormshield Network SecurityRelated CVEs — Stormshield Network Security
In the same product, most dangerous first.
CVE-2026-14466MEDIUMPossible XSS in the SNS web administration panelEPSS 0.2%CVE-2026-8482MEDIUMInformation leak in NSRPC client historyEPSS 0.2%CVE-2026-113465MEDIUMPossible DOM XSS in SNS Web Administration PortalEPSS 0.2%CVE-2026-111088MEDIUMStored XSS in the VPN logs monitorEPSS 0.2%CVE-2026-113469HIGHImproper Signature Verification of Active Update FilesEPSS 0.2%CVE-2026-111090HIGHImproper Signature Verification of Firmware Update FilesEPSS 0.2%