CVE-2026-54720

Silverstripe Framework: Possible XSS attack through media embed

Published Jul 1, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the "Insert media from web" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-gvrw-qqp5-jgc5 Silverstripe Framework: Possible XSS attack through media embed
History
Type Values Removed Values Added
First Time appeared Silverstripe
Silverstripe silverstripe
Vendors & Products Silverstripe
Silverstripe silverstripe
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the "Insert media from web" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/
Title Silverstripe Framework: Possible XSS attack through media embed
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 2, 2026, 3:54 PM
Reserved
Jun 15, 2026, 11:07 PM
Status
Deferred
Published
Jul 1, 2026, 9:17 PM
Modified
Oct 25, 2026, 4:10 PM