CVE-2025-57811
CVE-2025-57811 is a CWE-1336 vulnerability in craftcms/cms. O3 Security confirms whether CVE-2025-57811 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Craft Potential Remote Code Execution via Twig SSTI
Blast Radius
craftcms/cms🐘craftcms/cmsReal-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
Craft is a platform for creating digital experiences. From versions 4.0.0-RC1 to 4.16.5 and 5.0.0-RC1 to 5.8.6, there is a potential remote code execution vulnerability via Twig SSTI (Server-Side Template Injection). This is a follow-up to CVE-2024-52293. This vulnerability has been patched in versions 4.16.6 and 5.8.7.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | craftcms/cms | ≥ 4.0.0-RC1&&< 4.16.6 | 4.16.6 |
| 🐘Packagist | craftcms/cms | ≥ 5.0.0-RC1&&< 5.8.7 | 5.8.7 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for craftcms/cms. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update craftcms/cms to 4.16.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-57811 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 pinpoints whether CVE-2025-57811 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2025-57811. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2025-57811 in your dependencies?
O3 detects CVE-2025-57811 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.