CVE-2026-54720
Medium
Description
Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the "Insert media from web" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/
SeverityMedium
CVSS5.4
Exploit probability—
ProductSilverstripe/framework
PublishedJul 1, 2026
First seenJul 1, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- silverstripe/framework6.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| silverstripe/frameworkPackagist | v < 6.2.2 | 6.2.2 |
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