CVE-2026-109396
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.
- CVSS 4.0
- 2.3
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 - CVSS 3.1
- 4.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N - EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-25)
- CWE
- CWE-1236
- Published
- Modified
- Record from
- the NVD, synced
References
- https://github.com/thelia/thelia/blob/3.2.0/core/lib/Thelia/Core/Serializer/Serializer/CSVSerializer.php
- https://github.com/thelia/thelia/commit/6e46059225d87565caf4859ec0f764354e82ce95
- https://github.com/thelia/thelia/commit/c00a26f0631ed9de3c4466176db6e808a25034aa
- https://github.com/thelia/thelia/releases/tag/3.1.2
- https://github.com/thelia/thelia/releases/tag/3.2.1