CVE-2021-47958

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.

CVSS Vector

References

• https://github.com/CouchCMS/CouchCMS
• https://www.exploit-db.com/exploits/49675
• https://www.vulncheck.com/advisories/couchcms-server-side-request-forgery-via-svg-upload