{"id":"CVE-2021-26028","aliases":["BIT-joomla-2021-26028","EUVD-2021-0710","GHSA-vgwr-773q-7j3c"],"status":"published","title":"[20210308] - Core - Path Traversal within joomla/archive zip class","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01011,"percentile":0.63434,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2021-03-04T17:37:15Z","modified":"2026-10-24T10:30:57Z","fixes":[{"ecosystem":"Packagist","package":"joomla/archive","fixed_in":["1.1.10"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"joomla","fixed_in":["3.9.25"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"joomla/archive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.10"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.9.25"}]}]},{"source":"osv","ecosystem":"Packagist","package":"joomla/archive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.10"}]}],"versions":["1.0","1.0-alpha","1.0-beta","1.0-beta2","1.0-beta3","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9"]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/848-20210308-core-path-traversal-within-joomla-archive-zip-class.html","tags":["x_refsource_MISC","vendor-advisory","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26028","tags":["web","advisory"]},{"url":"https://github.com/joomla-framework/archive/commit/32c9009a1020d16bc1060c0d06339898b697cf2c","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/joomla/archive/CVE-2021-26028.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vgwr-773q-7j3c"}],"sources":{"cve":[{"id":"CVE-2021-26028","title":"[20210308] - Core - Path Traversal within joomla/archive zip class","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2021-03-04T17:37:15.113Z","modified":"2026-02-25T05:04:58.355Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-0710","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2021-03-04T17:37:15Z","modified":"2026-02-25T05:04:58Z","updated_at":"2026-11-02T19:48:29.551855Z"}],"ghsa":[{"id":"GHSA-vgwr-773q-7j3c","title":"Path Traversal within joomla/archive zip class","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2021-03-24T17:58:13Z","modified":"2023-01-09T05:04:22Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:36:09.554044Z"}],"nvd":[{"id":"CVE-2021-26028","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2021-03-04T18:15:13.91Z","modified":"2026-06-17T03:42:45.843Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"CVE-2021-26028","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2021-03-04T18:15:13.91Z","modified":"2026-10-24T10:30:57.296516205Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"BIT-joomla-2021-26028","title":"[20210308] - Core - Path Traversal within joomla/archive zip class","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2025-04-03T14:12:52.695Z","modified":"2026-09-08T08:48:01.393923221Z","updated_at":"2026-11-02T15:28:31.782692Z"},{"id":"GHSA-vgwr-773q-7j3c","title":"Path Traversal within joomla/archive zip class","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.","status":"published","published":"2021-03-24T17:58:13Z","modified":"2025-04-03T15:26:49.778732Z","cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:57.348035Z"}]}}