GHSA-99rh-vxmc-7wgf
MEDIUMGHSA-99rh-vxmc-7wgf is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in ezsystems/ezplatform-admin-ui. O3 Security confirms whether GHSA-99rh-vxmc-7wgf is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
ezplatform-admin-ui Cross-site Scripting (XSS) vulnerability
Blast Radius
ezsystems/ezplatform-admin-ui🐘ezsystems/ezplatform-admin-uiReal-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
An XSS issue was discovered in the Admin UI in eZ Platform 2.x. This affects ezplatform-admin-ui 1.3.x before 1.3.5 and 1.4.x before 1.4.4, and ezplatform-page-builder 1.1.x before 1.1.5 and 1.2.x before 1.2.4.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | ezsystems/ezplatform-admin-ui | ≥ 1.3&&< 1.3.5 | 1.3.5 |
| 🐘Packagist | ezsystems/ezplatform-admin-ui | ≥ 1.4&&< 1.4.4 | 1.4.4 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ezsystems/ezplatform-admin-ui. 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 ezsystems/ezplatform-admin-ui to 1.3.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-99rh-vxmc-7wgf 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-99rh-vxmc-7wgf 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-99rh-vxmc-7wgf. 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-99rh-vxmc-7wgf in your dependencies?
O3 detects GHSA-99rh-vxmc-7wgf across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.