Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in DBAR Productions Volunteer Sign Up Sheets allows Stored XSS.This issue affects Volunteer Sign Up Sheets: from n/a before 5.5.5.The patch is available exclusively on GitHub at  https://github.com/dbarproductions/pta-volunteer-sign-up-sheets , as the vendor encounters difficulties using SVN to deploy to the WordPress.org repository.