CVE-2021-47958

Published May 15th, 2026

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CVSS v3

4.3

MEDIUM

CVSS v2

N/A

Affected

PROJECT

Description

CouchCMS 2.2.1 contains a server-side request forgery vulnerability that allows authenticated attackers to make arbitrary HTTP requests by uploading malicious SVG files. Attackers can upload SVG files containing external entity references through the browse.php endpoint to access internal services and resources.

CouchCMS/CouchCMS

Simple Open-Source CMS for designers

GitHub

373