What’s Vulnerable › Vulnerabilities

CVE-2023-22729: Silverstripe Framework has open redirect vulnerability on CMSSecurity relogin screen

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-26 · updated 2026-06-17
• Weakness: CWE-601

Description

Silverstripe Framework is the Model-View-Controller framework that powers the Silverstripe content management system. Prior to version 4.12.15, an attacker can display a link to a third party website on a login screen by convincing a legitimate content author to follow a specially crafted link. Users should upgrade to Silverstripe Framework 4.12.15 or above to address the issue.

Affected products

• silverstripe-framework: before 4.12.5 — fixed in 4.12.5

How to fix

Upgrade to a fixed version: silverstripe-framework 4.12.5. Check the vendor advisory for mitigations.

References

• https://github.com/silverstripe/silverstripe-framework/commit/1a5bb4cbece1721203977910b8ecd8b79c18dc77
• https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-fw84-xgm8-9jmv
• https://github.com/silverstripe/silverstripe-framework/commit/1a5bb4cbece1721203977910b8ecd8b79c18dc77
• https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-fw84-xgm8-9jmv

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