XSS in Liferay Portal

CVE-2019-6588

In Liferay Portal before 7.1 CE GA4, an XSS vulnerability exists in the SimpleCaptcha API when custom code passes unsanitized input into the "url" parameter of the JSP taglib call <liferay-ui:captcha url="<%= url %>" /> or <liferay-captcha:captcha url="<%= url %>" />. Liferay Portal out-of-the-box behavior with no customizations is not vulnerable.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.023 (81.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-6588?
CVE-2019-6588 is a medium-severity vulnerability in Liferay Portal, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2019-06-03.
How severe is CVE-2019-6588?
Medium severity. CVSS v3 base score is 4.7 out of 10.