{"id":"CVE-2026-109396","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-109396","generatedAt":"2026-10-28T03:28:51.757Z","title":"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.","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.","published":"2026-10-12T16:17:05.000Z","lastModified":"2026-10-13T20:41:36.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":2.3,"severity":"LOW","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-1236"],"affected":[],"epss":{"score":0.00232,"percentile":0.13964,"date":"2026-10-26","history":[{"date":"2026-10-13","score":0.00189,"percentile":0.07919}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-12T16:17:05.000Z","detail":{"score":"2.3","severity":"LOW","publishedAt":"2026-10-12T16:17:05.077Z"},"summary":"New CVE, low severity (CVSS 2.3)."}],"references":[{"url":"https://github.com/thelia/thelia/blob/3.2.0/core/lib/Thelia/Core/Serializer/Serializer/CSVSerializer.php","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/commit/6e46059225d87565caf4859ec0f764354e82ce95","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/commit/c00a26f0631ed9de3c4466176db6e808a25034aa","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/releases/tag/3.1.2","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/releases/tag/3.2.1","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/security/advisories/GHSA-gcgv-f8rf-w2wc","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/thelia-before-3.1.2-and-3.2-x-before-3.2.1-csv-formula-injection-via-exports","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/security/advisories/GHSA-gcgv-f8rf-w2wc","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109396","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}