🛡️ CVE-2026-15917 — core
Description
Drupal core 11.2 and above integrate the HTMX JavaScript library.
Drupal core's XSS filter does not sufficiently sanitize certain HTMX attributes, which can lead to a cross-site scripting (XSS) vulnerability.
The vulnerability is mitigated by the fact an attacker must be able to insert HTML with specific attributes.
Affected software
CVE-2026-15917 is recorded against 1 package.
- drupal/core (from 11.2.0 up to 11.3.0)
Timeline and source
Published on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| drupal/core | 11.2.0 | 11.3.0 |
References
Similar Threats
- Unknown CLSA-2026-1776214337
- Unknown CLSA-2026-1778201069
- Unknown CLSA-2026-1779410881
- Unknown CLSA-2026-1783645405
- Unknown CLSA-2026-1784682869
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
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