CVE-2007-5423: Tiki Tikiwiki Cms/groupware

High severity, CVSS 7.5. EPSS: 76.7% chance of exploitation in the next 30 days.

tiki-graph_formula.php in TikiWiki 1.9.8 allows remote attackers to execute arbitrary code via PHP sequences in the f array parameter, which are processed by create_function.

Affected products

• Tiki Tikiwiki Cms/groupware: version 1.9.8 only

Published 2007-10-12. Last modified 2026-06-16.