What’s Vulnerable › Vulnerabilities

CVE-2026-4929: Simple Hierarchical Select (Drupal 7) XSS in term-derived output

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-05-21 · updated 2026-07-23
• Weakness: CWE-79

Description

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

• Drupal Simple Hierarchical Select (shs): from 7.x-1.0 through 7.x-1.10

References

• https://d7es.tag1.com/security-advisories/simple-hierarchical-select-moderately-critical-cross-site-scripting
• https://www.herodevs.com/vulnerability-directory/cve-2026-4929
• https://www.herodevs.com/vulnerability-directory/cve-2026-4929?nes-for-drupal-7

Get alerted when CVE-2026-4929 or the next vulnerability affects your stack