Description An improper access check allows privilege escalation through the com_users batch task. Remediation References CVE-2026-48898 Related Vulnerabilities silverstripeCMS Improper Restriction of XML External Entity Reference Vulnerability (CVE-2020-25817) Dotclear Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-16358) SharePoint Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2026-48562) MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-0361) Perl Out-of-bounds Read Vulnerability (CVE-2018-6798) Severity Critical Classification CVE-2026-48898 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities