What is CVE-2017-12645?

CVE-2017-12645 is a medium-severity vulnerability in Liferay Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-07.

How severe is CVE-2017-12645?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Liferay Portal

CVE-2017-12645

XSS exists in Liferay Portal before 7.0 CE GA4 via an invalid portletId.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.6th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Liferay Portal

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

issues.liferay.com/browse/LPS-72307 (Issue Tracking, Vendor Advisory)
dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-porta… (Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-12645?: CVE-2017-12645 is a medium-severity vulnerability in Liferay Portal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-07.
How severe is CVE-2017-12645?: Medium severity. CVSS v3 base score is 6.1 out of 10.