CVE-2021-47955 — CouchCMS 2.2.1 Cross-Site Scripting via SVG File Upload
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 fil…
Published: 2026-05-16 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7