CVE-2011-4453: Pmwiki

High severity, CVSS 7.5. EPSS: 52% chance of exploitation in the next 30 days.

The PageListSort function in scripts/pagelist.php in PmWiki 2.x before 2.2.35 allows remote attackers to execute arbitrary code via PHP sequences in a crafted order parameter in a pagelist directive, leading to unintended use of the PHP create_function function.

Affected products

• Pmwiki Pmwiki: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only; …

Published 2011-12-22. Last modified 2026-06-16.