Answer in brief
CVE-2026-54717 records a Medium severity (CVSS 5.4) vulnerability in Silverstripe: XSS in breadcrumbs in page list view. The current sources do not mark it as known exploited. The current feed maps silverstripe/cms (composer), silverstripe/silverstripe-cms (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-54717 records a Medium severity (CVSS 5.4) vulnerability in Silverstripe: XSS in breadcrumbs in page list view. The current sources do not mark it as known exploited. The current feed maps silverstripe/cms (composer), silverstripe/silverstripe-cms (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps silverstripe/cms (composer), silverstripe/silverstripe-cms (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| silverstripe/cmscomposer | <6.2.1 | 6.2.1 |
| silverstripe/silverstripe-cmsgeneric | < 6.2.1 | Not reported |
Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
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.
Quoted source text, attributed separately from HOL analysis.
CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps silverstripe/cms (composer), silverstripe/silverstripe-cms (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| silverstripe/cmscomposer | <6.2.1 | 6.2.1 |
| silverstripe/silverstripe-cmsgeneric | < 6.2.1 | Not reported |
Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
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.
Quoted source text, attributed separately from HOL analysis.