CVE-2021-26642

XpressEngine file upload vulnerability

Published Jan 20, 2023 CVSS 3.1 · 8.8 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-0413 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.
Github GHSA Github GHSA GHSA-8r5j-22j5-w4cm XpressEngine vulnerable to Unrestricted Upload of File with Dangerous Type
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
krcert
Published
Updated
Apr 3, 2025, 4:59 PM
Reserved
Feb 3, 2021, 12:00 AM
Status
Modified
Published
Jan 20, 2023, 5:15 PM
Modified
Jun 17, 2026, 3:43 AM