Cross-site scripting (XSS) vulnerability in pmwiki.php in PmWiki 2.2.20 allows remote attackers to inject arbitrary web script or HTML via the from parameter to Main/WikiSandbox. NOTE: some of these details are obtained from third party information.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.