CVE-2026-109396
Thelia before 3.1.2 and 3.2.x before 3.2.1 CSV Formula Injection via Exports
CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1236 |
| Vendor | thelia |
| Product | thelia |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Thelia / Thelia
0 < 3.1.2 3.2.0 < 3.2.1
References
github.com: https://github.com/thelia/thelia/security/advisories/GHSA-gcgv-f8rf-w2wc github.com: https://github.com/thelia/thelia/commit/c00a26f0631ed9de3c4466176db6e808a25034aa github.com: https://github.com/thelia/thelia/commit/6e46059225d87565caf4859ec0f764354e82ce95 github.com: https://github.com/thelia/thelia/blob/3.2.0/core/lib/Thelia/Core/Serializer/Serializer/CSVSerializer.php github.com: https://github.com/thelia/thelia/releases/tag/3.1.2 github.com: https://github.com/thelia/thelia/releases/tag/3.2.1 vulncheck.com: https://www.vulncheck.com/advisories/thelia-before-3.1.2-and-3.2-x-before-3.2.1-csv-formula-injection-via-exports
Credits
HunterSploit