CVE-2021-33199

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CVSS 3.1

9.8 critical

EPSS

1%p70

Published

Aug 12, 2021 (Aug 12, 2021)

Modified

Jun 17, 2026

Description

In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input->get('file') instead of the fixed file names of icon.png and icon.svg.

Vendors: expressionengine
Products: expressionengine
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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