What is CVE-2022-28978?

CVE-2022-28978 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-22.

How severe is CVE-2022-28978?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Liferay Digital Experience Platform

CVE-2022-28978

Stored cross-site scripting (XSS) vulnerability in the Site module's user membership administration page in Liferay Portal 7.0.1 through 7.4.1, and Liferay DXP 7.0 before fix pack 102, 7.1 before fix pack 26, 7.2 before fix pack 15, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML via the a user's name.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-09-22 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% 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: 0.007 · change: +0.001

Affected products

Liferay Digital Experience Platform — versions 7.0, 7.1, 7.2
Liferay Dxp — versions 7.3
Liferay Portal

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5m… (Vendor Advisory)

Frequently asked questions

What is CVE-2022-28978?: CVE-2022-28978 is a medium-severity vulnerability in Liferay Digital Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-22.
How severe is CVE-2022-28978?: Medium severity. CVSS v3 base score is 5.4 out of 10.