Description An improper access check allows privelege escalation through the com_users group editing webservice endpoint. Remediation References CVE-2026-48904 Related Vulnerabilities Liferay Portal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2025-43822) WordPress Plugin Content Timeline Multiple SQL Injection Vulnerabilities (4.4.2) MySQL CVE-2022-21444 Vulnerability (CVE-2022-21444) ownCloud CVE-2022-43679 Vulnerability (CVE-2022-43679) WordPress Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability (CVE-2022-3590) Severity Critical Classification CVE-2026-48904 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities