Medium (5.3) in liferay. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in com.liferay:com.liferay.remote.app.web 2.0.21.
The Remote App module in Liferay Portal Liferay Portal v7.4.3.4 through v7.4.3.8 and Liferay DXP 7.4 before update 5 does not check if the origin of event messages it receives matches the origin of the Remote App, allowing attackers to exfiltrate the CSRF token via a crafted event message.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)