Improper Neutralization of Formula Elements in a CSV File in PrestaShop - #VU144207
Published: August 18, 2026
Vulnerability identifier: #VU144207
CSH Severity: Medium
CVSS v4: 7.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-1236
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary formulas in a spreadsheet application.
The vulnerability exists due to improper neutralization of formula elements in a CSV file in CSV export files when opening exported CSV data in a spreadsheet application. A remote user can inject values beginning with formula characters into exported fields to execute arbitrary formulas in a spreadsheet application.
User interaction is required to open the exported CSV file in a spreadsheet application.
Affected software
PrestaShop
Remediation
Install security update from vendor's website.
PrestaShop - addressed in versions 8.2.8, 9.1.5