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Fencer Intel
high 7.1

CVE-2026-113808 json

Stored XSS on SNS Enrollment Portal

published 20d ago modified 20d ago also EUVD-2026-105253

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits
0
none known

Summary

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.

Patch / fix

  • Stormshield Stormshield Network Security 4.3.45 QS, 4.8.20 LTSB, 5.0.10, 5.1.4 EA

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
20d ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Stormshield Stormshield Network Security

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.