{"id":"CVE-2026-1291","state":"PUBLISHED","title":"Meow Gallery <= 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.","publishedAt":"2026-06-13T08:29:40.890Z","updatedAt":"2026-06-15T19:25:53.295Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["tigroumeow Meow Gallery"],"affected":[{"vendor":"tigroumeow","product":"Meow Gallery","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.4.4","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/3386ea07-9c61-4b54-a451-1178ca6325cb?source=cve","https://plugins.trac.wordpress.org/browser/meow-gallery/trunk/classes/rest.php","https://wordpress.org/plugins/meow-gallery/","https://plugins.trac.wordpress.org/changeset/3469543/meow-gallery","https://plugins.trac.wordpress.org/changeset/3469543/meow-gallery/trunk/classes/rest.php","https://plugins.trac.wordpress.org/changeset?old_path=%2Fmeow-gallery/tags/5.4.4&new_path=%2Fmeow-gallery/tags/5.4.5"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/1xxx/CVE-2026-1291.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1291","state":"PUBLISHED","datePublished":"2026-06-13T08:29:40.890Z","dateUpdated":"2026-06-15T19:25:53.295Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-01-21T16:18:13.278Z"},"containers":{"cna":{"title":"Meow Gallery <= 5.4.4 - Missing Authorization to Authenticated (Author+) Shortcode creation","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"tigroumeow","product":"Meow Gallery","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.4.4","versionType":"semver"}]}],"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&new_path=%2Fmeow-gallery/tags/5.4.5"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-06-13T08:29:40.890Z"},"credits":[{"lang":"en","type":"finder","value":"Chawabhon Netisingha"}],"timeline":[{"time":"2026-01-21T16:34:45.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-06-12T19:54:13.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-15T16:44:06.486537Z","id":"CVE-2026-1291","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-15T19:25:53.295Z"}}]}}}