What is CVE-2026-113810?

CVE-2026-113810 is a high-severity vulnerability in Stormshield Network Security, classified under Cross-site Scripting. CVSS score: 7.0/10. Published 2026-10-20.

How severe is CVE-2026-113810?

High severity. CVSS v3 base score is 7.0 out of 10.

XSS in Stormshield Network Security

CVE-2026-113810

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-20 · last modified 2026-10-20.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Stormshield Network Security

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

advisories.stormshield.eu/2026-027/

Frequently asked questions

What is CVE-2026-113810?: CVE-2026-113810 is a high-severity vulnerability in Stormshield Network Security, classified under Cross-site Scripting. CVSS score: 7.0/10. Published 2026-10-20.
How severe is CVE-2026-113810?: High severity. CVSS v3 base score is 7.0 out of 10.