CVE-2026-120248
Full vulnerability record from the local CVENow database.
Description
Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows authenticated back-office administrators with store update permission to inject scripts by uploading unsanitized SVG logo_file or banner_file images. Attackers can upload an SVG with an onload payload served from /admin/store-media/logo or the public cache/images/store/ directory to execute scripts against visitors and higher-privileged administrators.
Severity
MEDIUM
CVSS score
4.6
(v4.0)
Vulnerability status
Received
Source identifier
Published
2026-11-01 01:17:18.493000
Last modified
2026-11-01 01:17:18.493000
View original CVE JSON
{
"id": "CVE-2026-120248",
"sourceIdentifier": "[email protected]",
"published": "2026-11-01T01:17:18.493",
"lastModified": "2026-11-01T01:17:18.493",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows authenticated back-office administrators with store update permission to inject scripts by uploading unsanitized SVG logo_file or banner_file images. Attackers can upload an SVG with an onload payload served from /admin/store-media/logo or the public cache/images/store/ directory to execute scripts against visitors and higher-privileged administrators."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Thelia",
"product": "Thelia",
"defaultStatus": "unaffected",
"repo": "https://github.com/thelia/thelia",
"packageURL": "pkg:composer/thelia/thelia",
"versions": [
{
"version": "0",
"lessThan": "3.1.1",
"versionType": "semver",
"status": "affected"
}
]
},
{
"vendor": "Thelia",
"product": "Thelia Core",
"defaultStatus": "unaffected",
"repo": "https://github.com/thelia/core",
"packageURL": "pkg:composer/thelia/core",
"versions": [
{
"version": "0",
"lessThan": "3.1.1",
"versionType": "semver",
"status": "affected"
}
]
},
{
"vendor": "Thelia",
"product": "Thelia Back-office Default Twig Template",
"defaultStatus": "unaffected",
"repo": "https://github.com/thelia-templates/default-twig",
"packageURL": "pkg:composer/thelia/backoffice-default-twig-template",
"versions": [
{
"version": "0",
"lessThan": "1.1.1",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "HIGH",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.7,
"impactScore": 2.7
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"references": [
{
"url": "https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f194f1ff3d267902/src/Controller/Configuration/ConfigStoreController.php#L173-L195",
"source": "[email protected]"
},
{
"url": "https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090",
"source": "[email protected]"
},
{
"url": "https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658",
"source": "[email protected]"
},
{
"url": "https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9",
"source": "[email protected]"
},
{
"url": "https://github.com/thelia/thelia/releases/tag/3.1.1",
"source": "[email protected]"
},
{
"url": "https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx",
"source": "[email protected]"
},
{
"url": "https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-store-logo-and-banner-uploads",
"source": "[email protected]"
}
]
}