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

medium Affects silverstripe/cms. Feed 2026.10.29.1, updated 2026-10-28; published 2026-08-06.

Silverstripe: XSS in breadcrumbs in page list view

Package: silverstripe/cms Composer
Affected versions: <6.2.1
Fixed in: 6.2.1
Severity: medium CVSS 5.4
Exploitation: not on CISA KEV · EPSS 0% (27.1th percentile)
Published: 2026-08-06
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

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pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

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