PatchTheCVEsimple hierarchical select vulnerabilities and fixes
Recent CVEs affecting simple hierarchical select, with upgrade or downgrade steps. 1 tracked.
Also searched as: simplehierarchicalselect.
simple hierarchical select has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-21. Highest priority: CVE-2026-4929 (score 26/100).
- CVE-2026-4929 MEDIUM 5.4 UPGRADE Simple Hierarchical Select (SHS) for Drupal 7 contains cross-site scripting risk due to improper output escapi
FAQ
How do I fix simple hierarchical select vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is simple hierarchical select being exploited right now?
None of the tracked simple hierarchical select CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which simple hierarchical select CVE should I patch first?
CVE-2026-4929 currently ranks highest (26/100): Simple Hierarchical Select (SHS) for Drupal 7 contains cross-site scripting risk due to improper output escapi.