PT-2026-3030
CVE-2021-47753
·
Published
2026-01-15
·
Updated
2026-01-20
Description by
CVSS 3.1
9.8
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
phpKF CMS version 3.00 Beta y6
Description
The software contains an unauthenticated file upload issue that enables remote attackers to execute arbitrary code. This is achieved by bypassing file extension checks, allowing attackers to upload a PHP file disguised as a PNG. After uploading, the file can be renamed and used to execute system commands through a crafted web shell parameter.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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