CVE-2019-6588

Severity: medium (CVSS 4.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-06-03 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Liferay Portal: through 6.0.6; 6.1.0-b1, 6.1.0-b2, 6.1.0-b3, 6.1.0-b4, 6.1.0-ga1, 6.1.0-rc1 (+57)

References

http://packetstormsecurity.com/files/153252/Liferay-Portal-7.1-CE-GA4-Cross-Site-Scripting.html
https://dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-portal-71/-/asset_publisher/7v4O7y85hZMo/content/cst-7130-multiple-xss-vulnerabilities-in-7-1-ce-ga3
http://packetstormsecurity.com/files/153252/Liferay-Portal-7.1-CE-GA4-Cross-Site-Scripting.html
https://dev.liferay.com/web/community-security-team/known-vulnerabilities/liferay-portal-71/-/asset_publisher/7v4O7y85hZMo/content/cst-7130-multiple-xss-vulnerabilities-in-7-1-ce-ga3

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