CVE-2026-42879

Medium

Description

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.

SeverityMedium

CVSS6.3

Exploit probability—

ProductFacturascripts/facturascripts

PublishedMay 27, 2026

First seenMay 27, 2026

Weakness typeCWE-94Code injection CWE-434Unrestricted upload of dangerous file type

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
facturascripts/facturascriptsPackagist	v ≤ 2025.81	—

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