What is CVE-2017-12646?

CVE-2017-12646 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-2017-12646?

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

XSS in Liferay Portal

CVE-2017-12646

XSS exists in Liferay Portal before 7.0 CE GA4 via a login name, password, or e-mail address.

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: 0.007 (54.3th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Liferay Portal

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/brianchandotcom/liferay-portal/pull/49833 (Patch, Third Party Advisory, Issue Tracking)
dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-porta… (Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-12646?: CVE-2017-12646 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-2017-12646?: Medium severity. CVSS v3 base score is 6.1 out of 10.