CVE-2005-4294 — opencms-core
Fix: alkacon/opencms-core@148f212CVE-2005-4294 is a security vulnerability in org.opencms:opencms-core. A fix is available for org.opencms:opencms-core — see the affected versions and patch details below.
Alkacon OpenCms XSS via username during login
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
Real-World Exposure
org.opencms:opencms-coreReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Cross-site scripting (XSS) vulnerability in Alkacon OpenCms before 6.0.3 allows remote attackers to inject arbitrary web script or HTML via the username in the login page.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.opencms:opencms-core | all versions | 6.0.3org.opencms:opencms-core:6.0.3 |
Affected Products
opencmsalkaconDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.opencms:opencms-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.opencms:opencms-core to 6.0.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2005-4294 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.
Frequently Asked Questions
Is CVE-2005-4294 in your dependencies?
Find it across Maven, including transitive dependencies.