CVE-2026-8474 (GCVE-0-2026-8474)
Vulnerability from cvelistv5 – Published: 2026-06-01 07:47 – Updated: 2026-06-01 13:05
VLAI
EPSS
VEX
Title
Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-01 13:05 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| StormShield | StormShield Network Security |
Affected:
4.3.0 , ≤ 4.3.41
(semver)
Affected: 4.8.0 , ≤ 4.8.15 (semver) Affected: 5.0.0 , ≤ 5.0.5 (semver) |
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-8474",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-01T13:05:31.957702Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-01T13:05:45.399Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"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"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eA vulnerability was discovered on Stormshield Network Security\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003e4.3.0 to 4.3.41,\u0026nbsp;\u003c/li\u003e\u003cli\u003e4.8.0 to 4.8.15,\u0026nbsp;\u003c/li\u003e\u003cli\u003e5.0.0 to 5.0.5\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eIt is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim\u0027s 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.\u003c/p\u003e"
}
],
"value": "A vulnerability was discovered on Stormshield Network Security\u00a0\n\n\n\n\n\n * 4.3.0 to 4.3.41,\u00a0\n * 4.8.0 to 4.8.15,\u00a0\n * 5.0.0 to 5.0.5\n\n\n\n\n\n\n\n\nIt is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim\u0027s 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."
}
],
"metrics": [
{
"cvssV3_1": {
"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"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-01T07:50:04.199Z",
"orgId": "24a3c815-5f22-4d74-967a-30958d6466f4",
"shortName": "airbus"
},
"references": [
{
"url": "https://advisories.stormshield.eu/2026-003/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eThe following updates fix this vulnerability:\u003c/p\u003e\u003cul\u003e\u003cli\u003eSNS 5.0.6\u003c/li\u003e\u003cli\u003eSNS 4.8.16\u003c/li\u003e\u003cli\u003eSNS 4.3.42\u003c/li\u003e\u003c/ul\u003e"
}
],
"value": "The following updates fix this vulnerability:\n\n * SNS 5.0.6\n * SNS 4.8.16\n * SNS 4.3.42"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.",
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
}
},
"cveMetadata": {
"assignerOrgId": "24a3c815-5f22-4d74-967a-30958d6466f4",
"assignerShortName": "airbus",
"cveId": "CVE-2026-8474",
"datePublished": "2026-06-01T07:47:54.875Z",
"dateReserved": "2026-05-13T13:10:26.492Z",
"dateUpdated": "2026-06-01T13:05:45.399Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-8474",
"date": "2026-10-25",
"epss": "0.00183",
"percentile": "0.07774"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"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"
}
]
}
],
"source": "cert@airbus.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was discovered on Stormshield Network Security\u00a0\n\n\n\n\n\n * 4.3.0 to 4.3.41,\u00a0\n * 4.8.0 to 4.8.15,\u00a0\n * 5.0.0 to 5.0.5\n\n\n\n\n\n\n\n\nIt is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim\u0027s 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."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue descubierta en Stormshield Network Security\n\n * 4.3.0 a 4.3.41,\n * 4.8.0 a 4.8.15,\n * 5.0.0 a 5.0.5\n\nEs posible ejecutar un ataque XSS reflejado en la API de inicio de sesi\u00f3n disponible en el dispositivo Stormshield SNS mediante la ejecuci\u00f3n de un script en la m\u00e1quina de la v\u00edctima. Los riesgos incluyen el robo de cookies u otros datos sensibles, as\u00ed como la modificaci\u00f3n del comportamiento de la p\u00e1gina, por ejemplo, al redirigir a la v\u00edctima a sitios web maliciosos."
}
],
"id": "CVE-2026-8474",
"lastModified": "2026-07-22T07:10:00.107",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "cert@airbus.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-8474",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-01T13:05:31.957702Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-01T09:16:21.163",
"references": [
{
"source": "cert@airbus.com",
"url": "https://advisories.stormshield.eu/2026-003/"
}
],
"sourceIdentifier": "cert@airbus.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "cert@airbus.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-06-05T19:24:26+00:00",
"cve": "CVE-2026-8474",
"id": "CVE-2026-8474",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8474.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-8474",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-01T13:05:31.957702Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-01T13:05:37.453Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"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"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eA vulnerability was discovered on Stormshield Network Security\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003e4.3.0 to 4.3.41,\u0026nbsp;\u003c/li\u003e\u003cli\u003e4.8.0 to 4.8.15,\u0026nbsp;\u003c/li\u003e\u003cli\u003e5.0.0 to 5.0.5\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eIt is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim\u0027s 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.\u003c/p\u003e"
}
],
"value": "A vulnerability was discovered on Stormshield Network Security\u00a0\n\n\n\n\n\n * 4.3.0 to 4.3.41,\u00a0\n * 4.8.0 to 4.8.15,\u00a0\n * 5.0.0 to 5.0.5\n\n\n\n\n\n\n\n\nIt is possible to execute a reflected XSS attack on the login API available on Stormshield SNS appliance by executing a script on the victim\u0027s 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."
}
],
"metrics": [
{
"cvssV3_1": {
"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"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-01T07:50:04.199Z",
"orgId": "24a3c815-5f22-4d74-967a-30958d6466f4",
"shortName": "airbus"
},
"references": [
{
"url": "https://advisories.stormshield.eu/2026-003/"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eThe following updates fix this vulnerability:\u003c/p\u003e\u003cul\u003e\u003cli\u003eSNS 5.0.6\u003c/li\u003e\u003cli\u003eSNS 4.8.16\u003c/li\u003e\u003cli\u003eSNS 4.3.42\u003c/li\u003e\u003c/ul\u003e"
}
],
"value": "The following updates fix this vulnerability:\n\n * SNS 5.0.6\n * SNS 4.8.16\n * SNS 4.3.42"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Possible to run a Cross Site Scripting request on the login API available on Stormshield SNS appliances.",
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
}
},
"cveMetadata": {
"assignerOrgId": "24a3c815-5f22-4d74-967a-30958d6466f4",
"assignerShortName": "airbus",
"cveId": "CVE-2026-8474",
"datePublished": "2026-06-01T07:47:54.875Z",
"dateReserved": "2026-05-13T13:10:26.492Z",
"dateUpdated": "2026-06-01T13:05:45.399Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.