CVE-2026-54720Medium· 5.4▾ SunlitSilverstripe Framework: Possible XSS attack through media embed
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Aug 27.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
0.3%
The "Insert media from web" functionality in the CMS is vulnerable to XSS from a specially crafted embed.
Jack Wallace from Bastion Security
silverstripe/framework < 6.2.2Upgrade to a patched release:
silverstripe/framework 6.2.2Connected by shared product, vendor, weakness, or advisory.
CVE-2026-55779Medium· 5.4Silverstripe Versioned provides versioning for Silverstripe models
CVE-2026-54717Medium· 5.4Silverstripe CMS is an open source content management system
CVE-2026-54721High· 8.8Silverstripe UserForms provides a visual form builder for the Silverstripe CMS
CVE-2021-41164High· 8.2CKEditor4 is an open source WYSIWYG HTML editor
CVE-2021-41184Medium· 6.5jQuery-UI is the official jQuery user interface library
CVE-2021-41183Medium· 6.5jQuery-UI is the official jQuery user interface library