{"id":"CVE-2026-5400","state":"PUBLISHED","title":"Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Cross-Site Scripting via User Input","description":"The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Media field filter values in versions up to, and including, 4.5.13 This is due to insufficient input sanitization of nested array values in the user_meta_save() function and unsafe output of filter CSS values in the render() function without proper escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2026-09-19T07:43:19.874Z","updatedAt":"2026-09-19T13:51:20.891Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["davidanderson Redux Framework"],"affected":[{"vendor":"davidanderson","product":"Redux Framework","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.5.13","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/ca5b1ff6-19c5-4384-ae63-faf1f40122e7?source=cve","https://plugins.trac.wordpress.org/browser/redux-framework/trunk/redux-core/inc/fields/media/class-redux-media.php#L233","https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.10/redux-core/inc/fields/media/class-redux-media.php#L233","https://plugins.trac.wordpress.org/browser/redux-framework/trunk/redux-core/inc/fields/media/class-redux-media.php#L337","https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.10/redux-core/inc/fields/media/class-redux-media.php#L337","https://plugins.trac.wordpress.org/browser/redux-framework/trunk/redux-core/inc/extensions/users/class-redux-extension-users.php#L1034","https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.10/redux-core/inc/extensions/users/class-redux-extension-users.php#L1034","https://github.com/reduxframework/redux-framework/pull/4112/changes","https://plugins.trac.wordpress.org/changeset?reponame=&new=3688279%40redux-framework%2Ftags%2F4.5.14&old=3582185%40redux-framework%2Ftags%2F4.5.13","https://plugins.trac.wordpress.org/changeset/3688279/redux-framework/trunk/redux-core/inc/fields/media/class-redux-media.php"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/5xxx/CVE-2026-5400.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5400","state":"PUBLISHED","datePublished":"2026-09-19T07:43:19.874Z","dateUpdated":"2026-09-19T13:51:20.891Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-04-02T06:29:52.259Z"},"containers":{"cna":{"title":"Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Cross-Site Scripting via User Input","descriptions":[{"lang":"en","value":"The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Media field filter values in versions up to, and including, 4.5.13 This is due to insufficient input sanitization of nested array values in the user_meta_save() function and unsafe output of filter CSS values in the render() function without proper escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"davidanderson","product":"Redux Framework","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.5.13","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ca5b1ff6-19c5-4384-ae63-faf1f40122e7?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/redux-framework/trunk/redux-core/inc/fields/media/class-redux-media.php#L233"},{"url":"https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.10/redux-core/inc/fields/media/class-redux-media.php#L233"},{"url":"https://plugins.trac.wordpress.org/browser/redux-framework/trunk/redux-core/inc/fields/media/class-redux-media.php#L337"},{"url":"https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.10/redux-core/inc/fields/media/class-redux-media.php#L337"},{"url":"https://plugins.trac.wordpress.org/browser/redux-framework/trunk/redux-core/inc/extensions/users/class-redux-extension-users.php#L1034"},{"url":"https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.10/redux-core/inc/extensions/users/class-redux-extension-users.php#L1034"},{"url":"https://github.com/reduxframework/redux-framework/pull/4112/changes"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&new=3688279%40redux-framework%2Ftags%2F4.5.14&old=3582185%40redux-framework%2Ftags%2F4.5.13"},{"url":"https://plugins.trac.wordpress.org/changeset/3688279/redux-framework/trunk/redux-core/inc/fields/media/class-redux-media.php"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-09-19T07:43:19.874Z"},"credits":[{"lang":"en","type":"finder","value":"h0xilo"}],"timeline":[{"time":"2026-04-02T06:50:46.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-09-18T19:01:22.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-5400","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-19T13:25:56.982054Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-19T13:51:20.891Z"}}]}}}