CVE-2021-47958
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
May 15, 2026
Vendor
unknown
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.