Medium severity4.2NVD Advisory· Published Oct 12, 2026
CVE-2026-109396
CVE-2026-109396
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.
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Affected products
1Patches
Vulnerability mechanics
References
7- github.com/thelia/thelia/blob/3.2.0/core/lib/Thelia/Core/Serializer/Serializer/CSVSerializer.phpnvd
- github.com/thelia/thelia/commit/6e46059225d87565caf4859ec0f764354e82ce95nvd
- github.com/thelia/thelia/commit/c00a26f0631ed9de3c4466176db6e808a25034aanvd
- github.com/thelia/thelia/releases/tag/3.1.2nvd
- github.com/thelia/thelia/releases/tag/3.2.1nvd
- github.com/thelia/thelia/security/advisories/GHSA-gcgv-f8rf-w2wcnvd
- www.vulncheck.com/advisories/thelia-before-3.1.2-and-3.2-x-before-3.2.1-csv-formula-injection-via-exportsnvd
News mentions
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