{"id":"CVE-2021-29048","aliases":["GHSA-4fx8-82f3-xcpc"],"url":"https://o3.security/vulnerability/CVE-2021-29048","summary":"Liferay Portal and Liferay DXP Vulnerable to Cross-Site Scripting (XSS) in the Layout Admin Page","details":"Cross-site scripting (XSS) vulnerability in the Layout module's page administration page in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.2 before fix pack 11 and 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_layout_admin_web_portlet_GroupPagesPortlet_name parameter.","published":"2021-05-17T12:15:07.427Z","modified":"2026-09-05T03:30:57.008988968Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00873,"percentile":0.55746,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.liferay.portal:release.portal.bom","fixedVersion":"7.3.6"},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.2.10.fp11"},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.3.10.fp1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29048"},{"type":"PACKAGE","url":"https://github.com/liferay/liferay-portal"},{"type":"WEB","url":"https://web.archive.org/web/20210524222536/https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743601"},{"type":"WEB","url":"http://liferay.com"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-05T03:30:57.008988968Z"}}