CriticalFix available
Drupal core - Critical - Cross-site scripting - SA-CORE-2026-001
Type: patchSources: Drupal security
Drupal core’s jQuery integration for AJAX modal dialog boxes insufficiently sanitizes certain options, creating a cross-site scripting vulnerability. Update supported Drupal branches to the listed fixed versions.
- Products
- Drupal core
- Affected versions
- >= 8.0.0 < 10.5.9 || >= 10.6.0 < 10.6.7 || >= 11.0.0 < 11.2.11 || >= 11.3.0 < 11.3.7
- Fixed versions
- Drupal 10.5.9, Drupal 10.6.7, Drupal 11.2.11, Drupal 11.3.7
- CVEs
- CVE-2026-6365
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:39 UTC · Revision 1
Source evidence
Drupal core - Critical - Cross-site scripting - SA-CORE-2026-001
official-drupal-security · Original sourcePublished 15 Apr 2026, 19:24 UTC
Drupal core’s jQuery integration for AJAX modal dialog boxes insufficiently sanitizes certain options, creating a cross-site scripting vulnerability. Update supported Drupal branches to the listed fixed versions.
Drupal core's jQuery integration for AJAX modal dialog boxes does not sufficiently sanitize certain options, which can lead to a cross-site scripting (XSS) vulnerability.
Drupal core
Fixed versions: Drupal 10.5.9, Drupal 10.6.7, Drupal 11.2.11, Drupal 11.3.7
Complete source record
{
"id": "d308b55ce070f5c4cc2ac358b0d3b3619b7a549f4d836db7ea3a86d5e3c7842d",
"url": "https://www.drupal.org/sa-core-2026-001",
"method": "llm",
"payload": {
"kind": "patch",
"title": "Drupal core - Critical - Cross-site scripting - SA-CORE-2026-001",
"summary": "Drupal core’s jQuery integration for AJAX modal dialog boxes insufficiently sanitizes certain options, creating a cross-site scripting vulnerability. Update supported Drupal branches to the listed fixed versions.",
"evidence": "Drupal core's jQuery integration for AJAX modal dialog boxes does not sufficiently sanitize certain options, which can lead to a cross-site scripting (XSS) vulnerability.",
"products": [
{
"name": {
"value": "Drupal core",
"evidence": "Project: Drupal core"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "Drupal 10.5.9",
"evidence": "If you use Drupal 10.5.x, update to Drupal 10.5.9."
},
{
"value": "Drupal 10.6.7",
"evidence": "If you use Drupal 10.6.x, update to Drupal 10.6.7."
},
{
"value": "Drupal 11.2.11",
"evidence": "If you use Drupal 11.2.x, update to Drupal 11.2.11."
},
{
"value": "Drupal 11.3.7",
"evidence": "If you use Drupal 11.3.x, update to Drupal 11.3.7."
}
],
"affected_versions": [
{
"value": ">= 8.0.0 < 10.5.9 || >= 10.6.0 < 10.6.7 || >= 11.0.0 < 11.2.11 || >= 11.3.0 < 11.3.7",
"evidence": "Affected versions: >= 8.0.0 < 10.5.9 || >= 10.6.0 < 10.6.7 || >= 11.0.0 < 11.2.11 || >= 11.3.0 < 11.3.7"
}
]
}
],
"severity": "critical",
"fixed_cves": [],
"related_cves": [
{
"value": "CVE-2026-6365",
"evidence": "CVE IDs: CVE-2026-6365"
}
],
"security_relevant": true,
"severity_evidence": "Security risk: Critical"
},
"source_id": "official-drupal-security",
"document_id": 23468,
"published_at": "2026-04-15T19:24:30+00:00"
}