Multiple cross-site scripting (XSS) vulnerabilities in the Hierarchical Select module 6.x-3.x before 6.x-3.9 for Drupal allow remote authenticated users with certain permissions to inject arbitrary web script or HTML via vectors related to the (1) taxonomy term title for instances with Save term lineage enabled or (2) entity type fields.

Cross-site scripting (XSS) vulnerability in the Hierarchical Select module 6.x-3.x before 6.x-3.8 for Drupal allows remote authenticated users with administer taxonomy permissions to inject arbitrary web script or HTML via unspecified vectors related to "the vocabulary's help text."