CVE-2021-26642: XpressEngine vulnerable to Unrestricted Upload of File with Dangerous Type

Severity: Critical

CVSS Score: 9.8

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.