CVE-2026-8474
MEDIUM EPSS 8.0%
Published Jun 1, 20261mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Published Jun 1, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
8.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
References 1
- advisories.stormshield.eu https://advisories.stormshield.eu/2026-003/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.