Language: PHP
Label: vulnerable
CWE: CWE-94 \u2014 Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Code:
    public function cleanBean()
    {
        parent::cleanBean();
        $this->pdfheader = purify_html($this->pdfheader);
        $this->description = purify_html($this->description);
        $this->pdffooter = purify_html($this->pdffooter);
    }