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.
Cross-site scripting (XSS) vulnerability in PmWiki before 2.1.18 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors involving "table markups".