{"id":"CVE-2021-33199","aliases":["EUVD-2021-19912","GHSA-95cm-jhq2-c7fg"],"status":"published","title":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted...","description":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input-\u003eget('file') instead of the fixed file names of icon.png and icon.svg.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01361,"percentile":0.71954,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-08-12T20:46:06Z","modified":"2026-10-20T10:54:43Z","products":[{"vendor":"expressionengine","product":"expressionengine"}],"references":[{"url":"https://github.com/ExpressionEngine/ExpressionEngine/releases/tag/6.0.3","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/ExpressionEngine/ExpressionEngine/compare/6.0.1...6.0.3#diff-17bcb23e5666fc2dccb79c7133e9eeb701847f67ae84fbde0a673c3fd3d109e0R508","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33199"},{"url":"https://github.com/advisories/GHSA-95cm-jhq2-c7fg"}],"sources":{"cve":[{"id":"CVE-2021-33199","description":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input-\u003eget('file') instead of the fixed file names of icon.png and icon.svg.","status":"published","published":"2021-08-12T20:46:06Z","modified":"2024-08-03T23:42:20.282Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-19912","description":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input-\u003eget('file') instead of the fixed file names of icon.png and icon.svg.","status":"published","published":"2021-08-12T20:46:06Z","modified":"2024-08-03T23:42:20Z","updated_at":"2026-11-03T03:24:34.73748Z"}],"ghsa":[{"id":"GHSA-95cm-jhq2-c7fg","title":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted...","description":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input-\u003eget('file') instead of the fixed file names of icon.png and icon.svg.","status":"published","published":"2022-05-24T19:10:48Z","modified":"2023-01-30T05:01:30Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:46:25.569206Z"}],"nvd":[{"id":"CVE-2021-33199","description":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input-\u003eget('file') instead of the fixed file names of icon.png and icon.svg.","status":"published","published":"2021-08-12T21:15:07.5Z","modified":"2026-06-17T03:54:20.667Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:56.943671Z"}],"osv":[{"id":"CVE-2021-33199","description":"In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input-\u003eget('file') instead of the fixed file names of icon.png and icon.svg.","status":"published","published":"2021-08-12T21:15:07.5Z","modified":"2026-10-20T10:54:43.398176669Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:19.793849Z"}]}}