{"id":"BIT-joomla-2021-26038","summary":"[20210704] - Core - Privilege escalation through com_installer","details":"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.","aliases":["CVE-2021-26038"],"modified":"2026-09-08T08:48:01.826537584Z","published":"2025-04-03T14:13:51.791Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:joomla:joomla!:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26038"}],"affected":[{"package":{"name":"joomla","ecosystem":"Bitnami","purl":"pkg:bitnami/joomla"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.5.0"},{"last_affected":"3.9.27"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/joomla/BIT-joomla-2021-26038.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}],"schema_version":"1.9.0"}