CVE-2026-4929: Simple Hierarchical Select Project Simple Hierarchical Select

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Simple Hierarchical Select (SHS) for Drupal 7 contains cross-site scripting risk due to improper output escaping of term-derived text. Confirmed affected paths include field formatter output (shs_field_formatter_view) and term-tree child-term data generation (shs_term_get_children). Malicious taxonomy term names can be rendered unsafely depending on output context. This affects versions from 7.x-1.0 through (and including) 7.x-1.10.

Affected products

• Simple Hierarchical Select Project Simple Hierarchical Select: from 7.x-1.0, up to and including 7.x-1.10

Published 2026-05-21. Last modified 2026-07-23.