CVE-2026-42879 MEDIUM

CVE-2026-42879: FacturaScripts: Authenticated Remote Code Execution (RCE) via GIF Image Upload in Product Images

Vendor Neorazorx
Product facturascripts
Weakness CWE-94 · Code injection
Published May 27, 2026
Last update June 1, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

FacturaScripts is an open source accounting and invoicing software. In 2025.81 and earlier, an authenticated unrestricted file upload vulnerability exists in FacturaScripts' product image upload functionality. An attacker with valid credentials can upload a PHP file disguised as a GIF image (using a GIF89a header), bypassing MIME type validation. The file is stored with its original extension, including executable extensions such as .php. The vulnerability exists the addImageAction() method of Core/Lib/ExtendedController/ProductImagesTrait.php.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
June 1, 2026 Record updated