{"id":"CVE-2026-1291","aliases":["EUVD-2026-36649","GHSA-vwf8-xx3v-5qw7"],"status":"published","title":"Meow Gallery \u003c= 5.4.4 - Missing Authorization to Authenticated (Author+) Shortcode creation","description":"The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the REST API endpoint /wp-json/meow-gallery/v1/save_shortcode in all versions up to, and including, 5.4.4 This makes it possible for authenticated attackers, with Author-level access and above, to arbitrarily create or overwrite existing gallery shortcode records by supplying a user-controlled id value. The endpoint performs database update operations without verifying that the requesting user is authorized to modify the referenced gallery record or create their own.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00214,"percentile":0.11765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-06-13T08:29:40Z","modified":"2026-07-23T09:10:00Z","products":[{"vendor":"jordy meow","product":"meow gallery"},{"vendor":"tigroumeow","product":"meow gallery"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3386ea07-9c61-4b54-a451-1178ca6325cb?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/meow-gallery/trunk/classes/rest.php"},{"url":"https://wordpress.org/plugins/meow-gallery/"},{"url":"https://plugins.trac.wordpress.org/changeset/3469543/meow-gallery"},{"url":"https://plugins.trac.wordpress.org/changeset/3469543/meow-gallery/trunk/classes/rest.php"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Fmeow-gallery/tags/5.4.4\u0026new_path=%2Fmeow-gallery/tags/5.4.5"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1291"},{"url":"https://wordpress.org/plugins/meow-gallery"},{"url":"https://github.com/advisories/GHSA-vwf8-xx3v-5qw7"}],"sources":{"cve":[{"id":"CVE-2026-1291","title":"Meow Gallery \u003c= 5.4.4 - Missing Authorization to Authenticated (Author+) Shortcode creation","description":"The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the REST API endpoint /wp-json/meow-gallery/v1/save_shortcode in all versions up to, and including, 5.4.4 This makes it possible for authenticated attackers, with Author-level access and above, to arbitrarily create or overwrite existing gallery shortcode records by supplying a user-controlled id value. The endpoint performs database update operations without verifying that the requesting user is authorized to modify the referenced gallery record or create their own.","status":"published","published":"2026-06-13T08:29:40.89Z","modified":"2026-06-15T19:25:53.295Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-36649","description":"The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the REST API endpoint /wp-json/meow-gallery/v1/save_shortcode in all versions up to, and including, 5.4.4 This makes it possible for authenticated attackers, with Author-level access and above, to arbitrarily create or overwrite existing gallery shortcode records by supplying a user-controlled id value. The endpoint performs database update operations without verifying that the requesting user is authorized to modify the referenced gallery record or create their own.","status":"published","published":"2026-06-13T08:29:40Z","modified":"2026-06-15T19:25:53Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:41.428781Z"}],"ghsa":[{"id":"GHSA-vwf8-xx3v-5qw7","title":"The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a...","description":"The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the REST API endpoint /wp-json/meow-gallery/v1/save_shortcode in all versions up to, and including, 5.4.4 This makes it possible for authenticated attackers, with Author-level access and above, to arbitrarily create or overwrite existing gallery shortcode records by supplying a user-controlled id value. The endpoint performs database update operations without verifying that the requesting user is authorized to modify the referenced gallery record or create their own.","status":"published","published":"2026-06-13T12:31:25Z","modified":"2026-06-13T12:31:31Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:08:45.788743Z"}],"nvd":[{"id":"CVE-2026-1291","description":"The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the REST API endpoint /wp-json/meow-gallery/v1/save_shortcode in all versions up to, and including, 5.4.4 This makes it possible for authenticated attackers, with Author-level access and above, to arbitrarily create or overwrite existing gallery shortcode records by supplying a user-controlled id value. The endpoint performs database update operations without verifying that the requesting user is authorized to modify the referenced gallery record or create their own.","status":"published","published":"2026-06-13T10:16:18.643Z","modified":"2026-07-23T09:10:00.113Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:23.846948Z"}]}}