CVE-2021-47958
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductCouchCMS
PublishedMay 15, 2026
First seenMay 15, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| CouchCMS CouchCMS | 2.2.1 | — |
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