CVE-2026-8474
MEDIUMPossible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.
Title source: cnaDescription
A vulnerability was discovered on Stormshield Network Security * 4.3.0 to 4.3.41, * 4.8.0 to 4.8.15, * 5.0.0 to 5.0.5 It is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim's machine. The risks include the theft of cookies or other sensitive data, as well as the modification of page behavior, for example, by redirecting the victim to malicious websites.
References (1)
Core 1
Core References
Scores
CVSS v3
5.3
EPSS
0.0018
EPSS Percentile
8.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (3)
StormShield/StormShield Network Security
4.3.0 - 4.3.41
StormShield/StormShield Network Security
4.8.0 - 4.8.15
StormShield/StormShield Network Security
5.0.0 - 5.0.5
Published
Jun 01, 2026
Tracked Since
Jun 01, 2026