Cross-site Scripting (XSS)

Silverstripe CMS is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper escaping of page titles when rendered in CMS breadcrumbs, which allows an attacker to inject malicious JavaScript that executes in the browser when the affected page list view is accessed...

CVE-2026-54717

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...

Silverstripe: XSS in breadcrumbs in page list view

Impact Page breadcrumbs in the CMS are vulnerable to XSS when viewed using the page list view Reporter Fase Rais Baradika...

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

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...

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

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...

CVE-2026-54717

CVE-2026-54717 affects Silverstripe CMS. In versions prior to 6.2.1, page breadcrumbs in the CMS page list view are vulnerable to cross-site scripting (XSS) because page titles render into the breadcrumb trail without proper escaping. The issue is resolved in 6.2.1. Connected advisories confirm t...

CVE-2026-54720

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/...

CVE-2026-54720 Silverstripe Framework: Possible XSS attack through media embed

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/...

CVE-2026-54720

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/...

CVE-2026-54720

Silverstripe Framework (PHP) contains an XSS vulnerability in the CMS “Insert media from web” feature, exploitable via a specially crafted embed. The issue affects versions prior to 6.2.2 and is mitigated by upgrading to 6.2.2 or later. The vulnerability stems from the media embed handling and co...

CVE-2026-54720 Silverstripe Framework: Possible XSS attack through media embed

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/...

PT-2026-54846

Name of the Vulnerable Software and Affected Versions Silverstripe Framework versions prior to 6.2.2 Description The "Insert media from web" functionality in the CMS is susceptible to Cross-Site Scripting XSS, a technique where malicious scripts are injected into trusted websites, when processing...

CVE-2026-54720 - XSS attack through media embed

More info at https://www.silverstripe.org/download/security-releases/cve-2026-54720...

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

More info at https://www.silverstripe.org/download/security-releases/cve-2026-54717...

User Impersonation

Overview silverstripe/framework is a PHP framework forming the base for the SilverStripe CMS. Affected versions of this package are vulnerable to User Impersonation via insufficient validation of proxy-related HTTP headers. An attacker can spoof client IP addresses, hostnames, or protocols by...

Missing Authorization

Overview silverstripe/framework is a PHP framework forming the base for the SilverStripe CMS. Affected versions of this package are vulnerable to Missing Authorization via the buildDefaults action in DevelopmentAdmin. An attacker can perform unauthorized database modifications and obtain...

CVE-2026-24749

The Silverstripe Assets Module is a required component of Silverstripe Framework. In versions prior to 2.4.5 and 3.0.0-rc1 through 3.1.2, images rendered in templates or otherwise accessed via DBFile::getURL or DBFile::getSourceURL incorrectly add an access grant to the current session, which...

EUVD-2026-23275

Silverstripe Assets Module has a DBFile::getURL permission bypass...

GHSA-JGCF-RF45-2F8V Silverstripe Assets Module has a DBFile::getURL() permission bypass

Impact Images rendered in templates or otherwise accessed via DBFile::getURL or DBFile::getSourceURL incorrectly add an access grant to the current session, which bypasses file permissions. This usually happens when creating an image variant, for example using a manipulation method like ScaleWidt...

Silverstripe Assets Module has a DBFile::getURL() permission bypass

Impact Images rendered in templates or otherwise accessed via DBFile::getURL or DBFile::getSourceURL incorrectly add an access grant to the current session, which bypasses file permissions. This usually happens when creating an image variant, for example using a manipulation method like ScaleWidt...