GHSA-c3m4-hxv9-4mxj — magento/community-edition
CRITICALGHSA-c3m4-hxv9-4mxj is a critical-severity (CVSS 9.8) CWE-77 vulnerability in magento/community-edition. A fix is available for magento/community-edition — see the affected versions and patch details below.
Magento command injection vulnerability
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
How urgent is this, really
GHSA-c3m4-hxv9-4mxj plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.
Where this sits among everything scored
Of 377,166 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.
Real-World Exposure
magento/community-edition🐘magento/community-edition🐘magento/core🐘magento/project-community-editionReal-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
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a command injection vulnerability. Successful exploitation could lead to arbitrary code execution.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | magento/community-edition | ≥ 2.3.0&&< 2.3.4-p2 | 2.3.4-p2composer require magento/community-edition:^2.3.4-p2 |
| 🐘Packagist | magento/community-edition | all versions | 2.2.12composer require magento/community-edition:^2.2.12 |
| 🐘Packagist | magento/core | all versions | 1.9.4.5composer require magento/core:^1.9.4.5 |
| 🐘Packagist | magento/project-community-edition | all versions | No fix |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for magento/community-edition, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update magento/community-edition to 2.3.4-p2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-c3m4-hxv9-4mxj 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.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-c3m4-hxv9-4mxj can be triaged on real exposure rather than presence alone.
Tailored to GHSA-c3m4-hxv9-4mxj. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-c3m4-hxv9-4mxj in your dependencies?
O3 Security finds GHSA-c3m4-hxv9-4mxj across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.