Improper Neutralization of Formula Elements in a CSV File in FacturaScripts - CVE-2026-45263

 

Improper Neutralization of Formula Elements in a CSV File in FacturaScripts - CVE-2026-45263

Published: November 9, 2026


Vulnerability identifier: #VU163113
CSH Severity: Medium
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45263
CWE-ID: CWE-1236
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an authenticated low-privilege attacker to execute arbitrary commands on an administrator's workstation through a malicious CSV export.

The vulnerability exists due to missing formula neutralization in FacturaScripts' CSVExport component when exporting user-controlled text fields. An authenticated low-privilege attacker can use insert or update permissions to plant a formula that executes when an administrator exports the affected records, opens the CSV in a spreadsheet application, and approves any required DDE prompt.


Affected software

FacturaScripts

How to mitigate CVE-2026-45263

Install security update from vendor's website.

FacturaScripts - update to 2026.2

External References

Related Security Bulletins