CVE-2021-48016: DedeCMS 0 through 5.8.1-beta

Affected technology

DedeCMS · 0 through 5.8.1-beta
DedeCMS

Description’s affected range: through 5.8.1-beta

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can send a crafted Referer to /plus/flink.php?dopost=save with an empty validate code to execute arbitrary PHP and system commands. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.