drupal-contrib-2026-309
osv_packagist
Description
The Extended HTML Filter module allows using style attributes in CKEditor. The module 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.
Timeline
- Published
- unknown
- Last Modified
- unknown
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
Linked Vulnerabilities
No linked vulnerabilities found.
{
"affected": [
{
"database_specific": {
"affected_versions": "<1.0.4",
"source": "https://github.com/DrupalSecurityTeam/drupal-advisory-database/blob/main/advisories/extended_html_filter/DRUPAL-CONTRIB-2026-309.json"
},
"package": {
"ecosystem": "Packagist:https://packages.drupal.org/8",
"name": "drupal/extended_html_filter",
"purl": "pkg:composer/drupal/extended_html_filter?repository_url=https:%2F%2Fpackages.drupal.org%2F8"
},
"ranges": [
{
"database_specific": {
"constraint": "<1.0.4"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-122078"
],
"credits": [
{
"contact": [
"https://www.drupal.org/u/prudloff"
],
"name": "Pierre Rudloff (prudloff)"
}
],
"details": "The Extended HTML Filter module allows using style attributes in CKEditor.\n\nThe module XSS filter does not sufficiently sanitize certain HTMX attributes, which can lead to a cross-site scripting (XSS) vulnerability.\n\nThe vulnerability is mitigated by the fact an attacker must be able to insert HTML with specific attributes.",
"id": "DRUPAL-CONTRIB-2026-309",
"modified": "2026-11-04T20:30:04.243187057Z",
"published": "2026-11-04T17:51:04Z",
"references": [
{
"type": "WEB",
"url": "https://www.drupal.org/sa-contrib-2026-309"
}
],
"schema_version": "1.9.2"
}