CVE-2021-33338

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-04 · updated 2026-06-17
Weakness: CWE-352

Description

The Layout module in Liferay Portal 7.1.0 through 7.3.2, and Liferay DXP 7.1 before fix pack 19, and 7.2 before fix pack 6, exposes the CSRF token in URLs, which allows man-in-the-middle attackers to obtain the token and conduct Cross-Site Request Forgery (CSRF) attacks via the p_auth parameter.

Affected products

Liferay Digital Experience Platform: 7.1, 7.1-fix_pack_1, 7.1-fix_pack_10, 7.1-fix_pack_11, 7.1-fix_pack_12, 7.1-fix_pack_13 (+19)
Liferay Portal: from 7.1.0 through 7.3.2

References

https://issues.liferay.com/browse/LPE-17030
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748276
https://issues.liferay.com/browse/LPE-17030
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748276

Get alerted when CVE-2021-33338 or the next vulnerability affects your stack