GHSA-g4hp-pfvf-vm5w: SilverStripe Vulnerability on 'isDev', 'isTest' and 'flush' $_GET validation

medium Affects silverstripe/framework. Feed 2026.10.29.1, updated 2026-10-28; published 2024-05-23; advisory modified 2024-11-28.

SilverStripe Vulnerability on 'isDev', 'isTest' and 'flush' $_GET validation

Package: silverstripe/framework Composer
Affected versions: >=3.0.0 and <3.0.14 or >=3.1.0 and <3.1.13
Fixed in: 3.0.14, 3.1.13
Severity: medium CVSS 6.5
Exploitation: not on CISA KEV
Published: 2024-05-23
Source: osv.dev

References

CWE-639

NVD record silverstripe/framework advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2010-1593 low SilverStripe vulnerable to Cross-site Scripting same package: silverstripe/framework
CVE-2015-5062 medium Silverstripe CMS Open Redirect same package: silverstripe/framework
CVE-2012-4968 medium Silverstripe XSS Vulnerabilities same package: silverstripe/framework
CVE-2020-6164 high Silverstripe CMS information disclosure same package: silverstripe/framework
CVE-2020-9280 high SilverStripe Folders migrated from 3.x may be unsafe to upload to same package: silverstripe/framework
CVE-2019-5715 critical Silverstripe Framework SQLi Vulnerability same package: silverstripe/framework