CVE-2026-120248
Dashboard / Vulnerabilities / CVE-2026-120248
Summary: Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads
Details: 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.
References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120248.json, https://github.com/thelia/thelia/releases/tag/3.1.1, https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx, https://nvd.nist.gov/vuln/detail/CVE-2026-120248, https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-store-logo-and-banner-uploads, https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090, https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658, https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9, https://github.com/thelia-templates/default-twig, https://github.com/thelia/core, https://github.com/thelia/thelia, https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f194f1ff3d267902/src/Controller/Configuration/ConfigStoreController.php#L173-L195
Affected packages
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