{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-120248","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-31T22:05:59.343Z","datePublished":"2026-11-01T00:57:12.828Z","dateUpdated":"2026-11-01T00:57:12.828Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-01T00:57:12.828Z"},"datePublic":"2026-10-01T00:00:00.000Z","title":"Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads","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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","cweId":"CWE-79","type":"CWE"}]}],"affected":[{"vendor":"Thelia","product":"Thelia","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"3.1.1","status":"affected","versionType":"semver"}],"packageURL":"pkg:composer/thelia/thelia","repo":"https://github.com/thelia/thelia"},{"vendor":"Thelia","product":"Thelia Core","defaultStatus":"unaffected","packageURL":"pkg:composer/thelia/core","repo":"https://github.com/thelia/core","versions":[{"version":"0","lessThan":"3.1.1","status":"affected","versionType":"semver"}]},{"vendor":"Thelia","product":"Thelia Back-office Default Twig Template","defaultStatus":"unaffected","packageURL":"pkg:composer/thelia/backoffice-default-twig-template","repo":"https://github.com/thelia-templates/default-twig","versions":[{"version":"0","lessThan":"1.1.1","status":"affected","versionType":"semver"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-gvcv-hvpp-89gx)"},{"url":"https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090","tags":["patch"]},{"url":"https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658","tags":["patch"]},{"url":"https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9","tags":["patch"]},{"url":"https://github.com/thelia/thelia/releases/tag/3.1.1","tags":["release-notes"],"name":"Thelia 3.1.1 Release Notes"},{"url":"https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f194f1ff3d267902/src/Controller/Configuration/ConfigStoreController.php#L173-L195","tags":["technical-description"]},{"name":"VulnCheck Advisory: Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-store-logo-and-banner-uploads"}],"credits":[{"lang":"en","value":"pnn219","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}