GHSA-xh3v-6f9j-wxw3 is a high-severity (CVSS 7.5) vulnerability in drupal/core. O3 Security confirms whether GHSA-xh3v-6f9j-wxw3 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Drupal core Information Disclosure vulnerability
Real-World Exposure
drupal/core🐘drupal/core🐘drupal/coreReal-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
In some situations, the Image module does not correctly check access to image files not stored in the standard public files directory when generating derivative images using the image styles system.
Access to a non-public file is checked only if it is stored in the "private" file system. However, some contributed modules provide additional file systems, or schemes, which may lead to this vulnerability.
This vulnerability is mitigated by the fact that it only applies when the site sets (Drupal 9) $config['image.settings']['allow_insecure_derivatives'] or (Drupal 7) $conf['image_allow_insecure_derivatives'] to TRUE. The recommended and default setting is FALSE, and Drupal core does not provide a way to change that in the admin UI.
Some sites may require configuration changes following this security release. Review the release notes for your Drupal version if you have issues accessing files or image styles after updating.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | drupal/core | ≥ 7.0.0&&< 7.91 | 7.91 |
| 🐘Packagist | drupal/core | ≥ 8.0.0&&< 9.3.19 | 9.3.19 |
| 🐘Packagist | drupal/core | ≥ 9.4.0&&< 9.4.3 | 9.4.3 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for drupal/core. 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 drupal/core to 7.91 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xh3v-6f9j-wxw3 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 GHSA-xh3v-6f9j-wxw3 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 GHSA-xh3v-6f9j-wxw3. 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-xh3v-6f9j-wxw3 in your dependencies?
O3 detects GHSA-xh3v-6f9j-wxw3 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.