CVE-2017-12646 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in com.liferay.portal:release.portal.bom. A fix is available for com.liferay.portal:release.portal.bom — see the affected versions and patch details below.
Liferay Portal XSS 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
CVE-2017-12646 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 377,333 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
com.liferay.portal:release.portal.bom☕com.liferay:com.liferay.login.authentication.openid.connect.web☕com.liferay:com.liferay.login.webReal-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) exists in Liferay Portal before 7.0 CE GA4 via a login name, password, or e-mail address.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | com.liferay.portal:release.portal.bom | all versions | 7.0.3-GA4com.liferay.portal:release.portal.bom:7.0.3-GA4 |
| ☕Maven | com.liferay:com.liferay.login.authentication.openid.connect.web | ≥ 1.0.0&&< 1.0.1 | 1.0.1com.liferay:com.liferay.login.authentication.openid.connect.web:1.0.1 |
| ☕Maven | com.liferay:com.liferay.login.web | all versions | 1.1.20com.liferay:com.liferay.login.web:1.1.20 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for com.liferay.portal:release.portal.bom, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update com.liferay.portal:release.portal.bom to 7.0.3-GA4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2017-12646 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 CVE-2017-12646 can be triaged on real exposure rather than presence alone.
Tailored to CVE-2017-12646. 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-2017-12646 in your dependencies?
O3 Security finds CVE-2017-12646 across Maven dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.