What’s Vulnerable › Vulnerabilities

CVE-2026-54717: Silverstripe: XSS in breadcrumbs in page list view

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-06 · updated 2026-10-24
• Weakness: CWE-79

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.

Affected products

• silverstripe-cms: before 6.2.1

References

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

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