CVE-2006-6661: PHP-Update

High severity, CVSS 7.5. EPSS: 6.7% chance of exploitation in the next 30 days.

Variable overwrite vulnerability in blog.php in PHP-Update 2.7 and earlier allows remote attackers to overwrite arbitrary program variables and execute arbitrary PHP code via multiple vectors that use the extract function, as demonstrated by the (1) f, (2) newmessage, (3) newusername, (4) adminuser, and (5) permission parameters.

Affected products

• PHP-Update PHP-Update: up to and including 2.7

Published 2006-12-20. Last modified 2026-06-16.