{"id":"CVE-2018-17856","details":"An issue was discovered in Joomla! before 3.8.13. com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled the ability of Administrator-level users to access com_joomlaupdate and trigger code execution.","aliases":["GHSA-9m72-pw47-292w"],"modified":"2026-07-08T19:44:34.571771Z","published":"2018-10-09T21:29:00.670Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105559"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1041914"},{"type":"ADVISORY","url":"https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/joomla/joomla-cms","events":[{"introduced":"0c8cb24dcedcf34a46cc2ff8b0b9ad8df286aa64"},{"fixed":"27ca70a097a3d64f958bfee77a21f33002c33bfc"}],"database_specific":{"cpe":"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.5.4"},{"fixed":"3.8.13"}],"source":"CPE_RANGE"}}],"versions":["3.8.11","3.8.8","3.8.7","3.8.12","3.8.12-rc","3.8.11-rc","3.8.6","3.8.10","3.8.9","3.8.4","3.8.9-rc","issues-241-257","3.8.8-rc","3.8.7-rc","3.8.6-rc1","3.8.3","3.8.3-rc","3.8.5","3.8.5-rc","3.8.4-rc2","3.8.4-rc","3.8.2","3.8.1","3.8.0","3.8.2-rc","3.8.1-rc","3.8.0-rc1","3.8.0-beta2","3.8.0-beta4","3.8.0-beta1","3.8.0-beta3","3.7.4-rc1","3.7.4-beta1","3.7.3","3.7.3-rc2","3.7.3-rc1","3.7.3-beta1","3.7.2","3.7.1","3.7.1-rc2","3.7.1-rc1","3.7.0","3.7.0-rc4","3.7.0-rc3","3.7.0-rc2","3.7.0-rc1","3.7.0-beta4","3.7.0-beta3","3.7.0-beta2","3.7.0-beta1","3.7.0-alpha1","3.6.3","3.6.3-rc3","3.6.3-rc2","3.6.3-rc1","3.6.2","3.6.1","3.6.1-rc2","3.6.1-rc1","3.6.0","3.6.0-rc2","3.6.0-rc","3.6.0-beta2","3.6.0-beta1","3.6.0-alpha","3.5.1","3.5.1-rc2","3.5.1-rc","3.5.0","3.5.0-rc4","3.5.0-rc2","3.5.0-rc","3.5.0-beta5","3.5.0-beta4","3.5.0-beta3","3.5.0-beta2","3.4.5","3.5.0-beta","3.4.4","3.4.4-rc2","3.4.4-rc","3.4.3","3.4.2","3.4.2-rc","3.4.1","3.4.1-rc2","3.4.1-rc","3.4.0","3.4.0-rc","3.4.0-beta3","3.4.0-beta2","3.4.0-beta1","3.2.4","3.3.0","3.2.3","3.2.2","3.2.1","3.2.0","3.1.5","3.2.0.rc","3.2.0.beta","3.2.0.alpha","3.1.1","3.0.3","3.1.0_beta5","3.1.0_beta4","3.1.0_beta3","3.1.0_beta2","3.1.0_beta1","3.0.1","3.0.0","3.0.0_beta1","3.0.0_alpha-2","3.0.0_alpha-1","2.5.6","2.5.5","2.5.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17856.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}