{"id":"CVE-2026-120248","aliases":["EUVD-2026-114745","GHSA-gvcv-hvpp-89gx","GHSA-xxr4-v6q3-9x28"],"status":"published","title":"Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads","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":{"version":"4.0","score":4.6,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00239,"percentile":0.15077,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-11-01T00:57:12Z","modified":"2026-11-04T02:30:26Z","products":[{"vendor":"thelia","product":"thelia"},{"vendor":"thelia","product":"thelia back-office default twig template"},{"vendor":"thelia","product":"thelia core"}],"references":[{"url":"https://github.com/thelia/thelia/security/advisories/GHSA-gvcv-hvpp-89gx","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/thelia-templates/default-twig/commit/d79780eafc5b17ac75554c836a1853610d89a090","tags":["patch","fix"]},{"url":"https://github.com/thelia-templates/default-twig/commit/f690a649cbbcee9543647cb7ed5018df68f66658","tags":["patch","fix"]},{"url":"https://github.com/thelia/thelia/commit/2c691e5c3bb8536ca901fcf7d2780301bd111ba9","tags":["patch","fix"]},{"url":"https://github.com/thelia/thelia/releases/tag/3.1.1","tags":["release-notes","advisory"]},{"url":"https://github.com/thelia-templates/default-twig/blob/6473c164bd86348f4c7d0ef6f194f1ff3d267902/src/Controller/Configuration/ConfigStoreController.php#L173-L195","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/thelia-before-3.1.1-stored-xss-via-svg-store-logo-and-banner-uploads","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120248","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xxr4-v6q3-9x28"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120248.json","tags":["advisory"]},{"url":"https://github.com/thelia-templates/default-twig","tags":["package"]},{"url":"https://github.com/thelia/core","tags":["package"]},{"url":"https://github.com/thelia/thelia","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-120248","title":"Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads","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.","status":"published","published":"2026-11-01T00:57:12.828Z","modified":"2026-11-02T21:04:42.244Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-03T00:01:31.308004Z"}],"euvd":[{"id":"EUVD-2026-114745","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.","status":"published","published":"2026-11-01T00:57:12Z","modified":"2026-11-02T21:04:42Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium"}],"updated_at":"2026-11-03T05:08:36.865312Z"}],"ghsa":[{"id":"GHSA-xxr4-v6q3-9x28","title":"Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows...","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.","status":"published","published":"2026-11-01T03:30:37Z","modified":"2026-11-01T03:30:38Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:14:54.535223Z"}],"nvd":[{"id":"CVE-2026-120248","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.","status":"published","published":"2026-11-01T01:17:18.493Z","modified":"2026-11-02T19:35:33.347Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-03T00:02:42.364722Z"}],"osv":[{"id":"CVE-2026-120248","title":"Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads","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.","status":"published","published":"2026-11-01T00:57:12.828Z","modified":"2026-11-04T02:30:26.725124451Z","cvss":[{"version":"4.0","score":4.6,"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","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-04T02:55:01.518827Z"}]}}