VULNERABILITY INTELLIGENCE

CVE-2021-26642

CVSS score8.8 HIGH
EPSS probability1.21%
CISA KEVNot currently listed
Published2023-01-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • vuln@krcert.or.kr: CWE-434
  • nvd@nist.gov: CWE-434

Primary references