CVE-2002-0734: Michel Valdrighi b2

High severity, CVSS 7.5. EPSS: 7% chance of exploitation in the next 30 days.

b2edit.showposts.php in B2 2.0.6pre2 and earlier does not properly load the b2config.php file in some configurations, which allows remote attackers to execute arbitrary PHP code via a URL that sets the $b2inc variable to point to a malicious program stored on a remote server.

Affected products

• Michel Valdrighi b2: version 0.6_pre only

Published 2002-08-12. Last modified 2026-06-16.