CVE-2026-109396

MediumCVSS 4.2/10Last modified Oct 13, 2026

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.

Metrics

CVSS 3.1 4.2/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-1236

Affected software

VendorProductVersions
TheliaThelia< 3.1.2; >= 3.2.0, < 3.2.1

References

Timeline

Published
Oct 12, 2026
Last modified
Oct 13, 2026
NVD status
Deferred

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