Plone vulnerable to cross-site scripting

Multiple cross-site scripting XSS vulnerabilities in 1 spamProtect.py, 2 pts.py, and 3 request.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors...