Vulnerability · Published May 27, 2026 · Assigned by GitHub_M
CVE-2026-42879FacturaScripts: Authenticated Remote Code Execution (RCE) via GIF Image Upload in Product Images
Medium 6.3
In plain English
A medium-severity code injection in facturascripts from NeoRazorX. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | facturascripts/facturascripts | no fix listed | GHSA-vf3q-frmr-vrr9 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NeoRazorX | facturascripts | <= 2025.81 |
Weakness: CWE-94, CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L