Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-33436

Gravedad CVSS v3.1:
BAJA
Tipo:
CWE-20 Validación incorrecta de entrada
Fecha de publicación:
17/04/2026
Última modificación:
13/05/2026

Descripción

*** Pendiente de traducción *** Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. In versions prior to 2.0.0, file upload endpoints render user-supplied filenames directly into HTML using unsafe methods like innerHTML without sanitization. An attacker can craft a file with a malicious filename containing JavaScript that executes in the uploading user's browser context, resulting in reflected XSS. The issue affects numerous upload endpoints across the application. The issue has been fixed in version 2.0.0.

Productos y versiones vulnerables

CPE Desde Hasta
cpe:2.3:a:stirlingpdf:stirling_pdf:*:*:*:*:*:*:*:* 2.0.0 (excluyendo)