{
  "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"
}