{"id":"DRUPAL-CONTRIB-2026-137","details":"The Feed Block module provides a block content type that displays items pulled from a remote RSS/Atom feed.\n\nThe module does not sufficiently validate or sanitize the RSS feed it generates, resulting in a stored cross-site scripting (XSS) vulnerability.","aliases":["CVE-2026-87939"],"modified":"2026-09-09T19:25:58.393571Z","published":"2026-09-09T17:16:58Z","references":[{"type":"WEB","url":"https://www.drupal.org/sa-contrib-2026-137"}],"affected":[{"package":{"name":"drupal/feed_block","ecosystem":"Packagist:https://packages.drupal.org/8","purl":"pkg:composer/drupal/feed_block?repository_url=https:%2F%2Fpackages.drupal.org%2F8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2"}],"database_specific":{"constraint":"\u003c2.0.2"}},{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.0.2"}],"database_specific":{"constraint":"\u003e=3.0.0 \u003c3.0.2"}}],"database_specific":{"affected_versions":"\u003c2.0.2 || \u003e=3.0.0 \u003c3.0.2","source":"https://github.com/DrupalSecurityTeam/drupal-advisory-database/blob/main/advisories/feed_block/DRUPAL-CONTRIB-2026-137.json"}}],"schema_version":"1.9.0","credits":[{"name":"Marcus Johansson (marcus_johansson)","contact":["https://www.drupal.org/u/marcus_johansson"]}]}