CVE-2026-54717

MEDIUM 5.4

Silverstripe: XSS in breadcrumbs in page list view

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	silverstripe
Product	silverstripe-cms
Published	Aug 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

silverstripe / silverstripe-cms

< 6.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/silverstripe/silverstripe-cms/security/advisories/GHSA-w3cp-g2pf-65wh github.com: https://github.com/silverstripe/silverstripe-cms/pull/3175 github.com: https://github.com/silverstripe/silverstripe-cms/commit/62f9912baa18c80304f3fa8b6eca71bb5dc2d21e github.com: https://github.com/silverstripe/silverstripe-cms/releases/tag/6.2.1