{"id":"CVE-2018-17856","aliases":["EUVD-2022-3411","GHSA-9m72-pw47-292w"],"status":"published","title":"Joomla RCE Vulnerability","description":"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.","severity":{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02694,"percentile":0.85985,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2018-10-09T21:00:00Z","modified":"2026-10-24T10:30:47Z","fixes":[{"ecosystem":"Packagist","package":"joomla/framework","fixed_in":["3.8.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"joomla/framework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.4"},{"last_affected":"3.8.12"},{"fixed":"3.8.13"}]}]},{"source":"osv","ecosystem":"Packagist","package":"joomla/framework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.4"},{"fixed":"3.8.13"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"}],"references":[{"url":"http://www.securityfocus.com/bid/105559","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.securitytracker.com/id/1041914","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17856","tags":["advisory"]},{"url":"https://web.archive.org/web/20210124211736/http://www.securityfocus.com/bid/105559","tags":["web"]},{"url":"https://web.archive.org/web/20211208125303/http://www.securitytracker.com/id/1041914","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9m72-pw47-292w"},{"url":"https://github.com/joomla/joomla-cms","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-17856","description":"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.","status":"published","published":"2018-10-09T21:00:00Z","modified":"2024-08-05T10:54:10.953Z","updated_at":"2026-11-02T14:35:07.354449Z"}],"euvd":[{"id":"EUVD-2022-3411","description":"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.","status":"published","published":"2018-10-09T21:00:00Z","modified":"2024-08-05T10:54:10Z","updated_at":"2026-11-03T02:39:37.709725Z"}],"ghsa":[{"id":"GHSA-9m72-pw47-292w","title":"Joomla RCE Vulnerability","description":"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.","status":"published","published":"2022-05-13T01:19:30Z","modified":"2023-07-21T18:11:26Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:36:57.310051Z"}],"nvd":[{"id":"CVE-2018-17856","description":"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.","status":"published","published":"2018-10-09T21:29:00.67Z","modified":"2026-06-17T01:46:24.443Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:44.873741Z"}],"osv":[{"id":"CVE-2018-17856","description":"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.","status":"published","published":"2018-10-09T21:29:00.67Z","modified":"2026-10-24T10:30:47.97527114Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.533609Z"},{"id":"GHSA-9m72-pw47-292w","title":"Joomla RCE Vulnerability","description":"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.","status":"published","published":"2022-05-13T01:19:30Z","modified":"2023-11-08T04:00:04.631504Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:43.875515Z"}]}}