{"id":"DRUPAL-CONTRIB-2026-309","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.","aliases":["CVE-2026-122078"],"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"}],"affected":[{"package":{"name":"drupal/extended_html_filter","ecosystem":"Packagist:https://packages.drupal.org/8","purl":"pkg:composer/drupal/extended_html_filter?repository_url=https:%2F%2Fpackages.drupal.org%2F8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4"}],"database_specific":{"constraint":"\u003c1.0.4"}}],"database_specific":{"affected_versions":"\u003c1.0.4","source":"https://github.com/DrupalSecurityTeam/drupal-advisory-database/blob/main/advisories/extended_html_filter/DRUPAL-CONTRIB-2026-309.json"}}],"schema_version":"1.9.2","credits":[{"name":"Pierre Rudloff (prudloff)","contact":["https://www.drupal.org/u/prudloff"]}]}