silverstripe/framework code execution vulnerabilityGHSA-vgxh-x8jv-hmff
HIGHFix: silverstripe/silverstripe-framework@6f50728GHSA-vgxh-x8jv-hmff is a high-severity (CVSS 7.5) vulnerability in silverstripe/framework. A fix is available for silverstripe/framework — see the affected versions and patch details below.
Real-World Exposure
silverstripe/framework🐘silverstripe/frameworkReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
There is a vulnerability whereby arbitrary global functions may be executed if malicious user input is passed through to in the second argument of ViewableData::renderWith. This argument resolves associative arrays as template placeholders. This exploit requires that user code has been written which makes use of the second argument in renderWith and where user input is passed directly as a value in an associative array without sanitisation such as Convert::raw2xml().
ViewableData::customise is not vulnerable.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | silverstripe/framework | ≥ 4.0.3-rc1&&< 4.0.4 | 4.0.4composer require silverstripe/framework:^4.0.4 |
| 🐘Packagist | silverstripe/framework | ≥ 4.1.0-rc1&&< 4.1.1 | 4.1.1composer require silverstripe/framework:^4.1.1 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for silverstripe/framework, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update silverstripe/framework to 4.0.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vgxh-x8jv-hmff is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
Frequently Asked Questions
Is GHSA-vgxh-x8jv-hmff in your dependencies?
Find it across Packagist, including transitive dependencies.