CVE-2026-54717
Medium
Description
Silverstripe CMS is an open source content management system. Prior to 6.2.1, page breadcrumbs in the CMS are vulnerable to cross-site scripting when viewed using the page list view, because page titles are rendered into the breadcrumb trail without being escaped. This issue is fixed in 6.2.1.
SeverityMedium
CVSS5.4
Exploit probability—
ProductSilverstripe/cms
PublishedAug 6, 2026
First seenAug 6, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- silverstripe/cms6.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| silverstripe/cmsPackagist | v < 6.2.1 | 6.2.1 |
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