{"affected":[{"defaultStatus":"unaffected","ecosystem":"composer","packageName":"thelia/thelia","product":"Thelia","source":"CNA: VulnCheck","vendor":"Thelia","versions":[{"lessThan":"3.1.1","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"composer","packageName":"thelia/core","product":"Thelia Core","source":"CNA: VulnCheck","vendor":"Thelia","versions":[{"lessThan":"3.1.1","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"composer","packageName":"thelia/backoffice-default-twig-template","product":"Thelia Back-office Default Twig Template","source":"CNA: VulnCheck","vendor":"Thelia","versions":[{"lessThan":"1.1.1","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-120248","cwes":["CWE-79"],"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.","epss":{"date":"2026-11-02","percentile":0.14974,"score":0.00239},"exploits":[],"kev":null,"metrics":[{"score":4.6,"severity":"medium","source":"CNA: VulnCheck","vector":"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","version":"4.0"},{"score":4.8,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},{"score":4.6,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"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","version":"4.0"},{"score":4.8,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1793641471955,"publishedAt":1793494632828,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/thelia/thelia/releases/tag/3.1.1"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f194f1ff3d267902/src/Controller/Configuration/ConfigStoreController.php#L173-L195"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-store-logo-and-banner-uploads"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f194f1ff3d267902/src/Controller/Configuration/ConfigStoreController.php#L173-L195"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/thelia/thelia/releases/tag/3.1.1"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-store-logo-and-banner-uploads"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9"}],"revision":"2291e3836faea80b3015d47909706345ec24048454d6aba43487883ee2dbacee","sources":[{"modifiedAt":1793641471955,"name":"CNA: VulnCheck","retrievedAt":1793642965374,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120248"},{"modifiedAt":1793495838493,"name":"NVD","retrievedAt":1793578559598,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120248"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793642969141,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-120248"}],"ssvc":{"assessedAt":1793639046359,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads","updatedAt":1793642969141}