{"id":"CVE-2026-109396","revision":"c1c59791fdf446b094b0b097974ec6b6","records":[{"revision":"c1c59791fdf446b094b0b097974ec6b6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109396","aliases":[],"title":"Thelia before 3.1.2 and 3.2.x before 3.2.1 CSV Formula Injection via Exports","description":"Thelia before 3.1.2 and 3.2.x before 3.2.1 contains a CSV formula injection vulnerability that allows unauthenticated visitors to inject spreadsheet formulas by supplying crafted registration, checkout or newsletter fields. Attackers can submit names, addresses or phone values starting with =, +, - or @ that CSVSerializer exports verbatim, executing formulas in the administrator's spreadsheet application.","state":0,"publishedAt":"2026-10-12T15:16:41.909+00:00","modifiedAt":"2026-10-13T15:22:23.047+00:00","affected":[{"ecosystem":"Vendor product","name":"Thelia","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Thelia\",\n                    \"product\": \"Thelia\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.1.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"3.2.0\",\n                            \"lessThan\": \"3.2.1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/thelia/thelia\",\n                    \"repo\": \"https://github.com/thelia/thelia\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":2.3,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","score":4.2,"severity":"MEDIUM"}],"references":["https://github.com/thelia/thelia/security/advisories/GHSA-gcgv-f8rf-w2wc","https://github.com/thelia/thelia/commit/c00a26f0631ed9de3c4466176db6e808a25034aa","https://github.com/thelia/thelia/commit/6e46059225d87565caf4859ec0f764354e82ce95","https://github.com/thelia/thelia/blob/3.2.0/core/lib/Thelia/Core/Serializer/Serializer/CSVSerializer.php","https://github.com/thelia/thelia/releases/tag/3.1.2","https://github.com/thelia/thelia/releases/tag/3.2.1","https://www.vulncheck.com/advisories/thelia-before-3.1.2-and-3.2-x-before-3.2.1-csv-formula-injection-via-exports"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109396","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109396","identifiers":["CVE-2026-109396"]},"retained":false,"historicalAffected":[]}],"coverage":[]}