Medium severity6.3GHSA Advisory· Published May 27, 2026· Updated May 27, 2026
CVE-2026-42879
CVE-2026-42879
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
facturascripts/facturascriptsPackagist | <= 2025.81 | — |
Affected products
2- Range: <= 2025.81
Patches
Vulnerability mechanics
References
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