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CVE-2026-8474

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:96003af1f1d79739d45df4fbd2bd634c13db8fb3ee083841559828ede9710e70
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"StormShield Network Security","vendor":"StormShield","versions":[{"lessThanOrEqual":"4.3.41","status":"affected","version":"4.3.0","versionType":"semver"},{"lessThanOrEqual":"4.8.15","status":"affected","version":"4.8.0","versionType":"semver"},{"lessThanOrEqual":"5.0.5","status":"affected","version":"5.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40a07c54ab927ed2acc822472240a98455c3f734b512cc9b8895559331dd209e · sha256:a3a36d3d9885d33c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:40a07c54ab927ed2acc822472240a98455c3f734b512cc9b8895559331dd209e · sha256:a3a36d3d9885d33c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40a07c54ab927ed2acc822472240a98455c3f734b512cc9b8895559331dd209e · sha256:a3a36d3d9885d33c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://advisories.stormshield.eu/2026-003/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40a07c54ab927ed2acc822472240a98455c3f734b512cc9b8895559331dd209e · sha256:a3a36d3d9885d33c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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