CVE-2009-4623: Plohni Advanced Comment System

High severity, CVSS 7.5. EPSS: 9.8% chance of exploitation in the next 30 days.

Multiple PHP remote file inclusion vulnerabilities in Advanced Comment System 1.0 allow remote attackers to execute arbitrary PHP code via a URL in the ACS_path parameter to (1) index.php and (2) admin.php in advanced_comment_system/. NOTE: this might only be a vulnerability when the administrator has not followed installation instructions in install.php. NOTE: this might be the same as CVE-2020-35598.

Affected products

• Plohni Advanced Comment System: version 1.0 only

Published 2010-01-18. Last modified 2026-06-16.