CVE-2021-26642

—

CVSS 3.1

9.8 critical

EPSS

1%p65

Published

Jan 20, 2023 (Jan 20, 2023)

Modified

Jun 17, 2026

Description

When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.

Vendors: xpressengine
Products: xpressengine
Weakness: CWE-434
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 (1.2%)

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