Unrated severityNVD Advisory· Published Jul 7, 2021· Updated Feb 25, 2026
[20210704] - Core - Privilege escalation through com_installer
CVE-2021-26038
Description
An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.
Affected products
1- Range: 2.5.0-3.9.27
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.htmlmitrex_refsource_MISCvendor-advisory
News mentions
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