CVE-2021-47955
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
May 16, 2026
Vendor
unknown
Description
CouchCMS 2.2.1 contains a cross-site scripting vulnerability that allows authenticated attackers to execute arbitrary JavaScript by uploading malicious SVG files through the file upload functionality. Attackers can upload SVG files containing embedded script tags to the browse.php endpoint, which are then executed in users' browsers when the files are accessed or previewed.