{"id":"CVE-2025-4392","state":"PUBLISHED","title":"Shared Files <= 1.7.48 - Unauthenticated Stored Cross-Site Scripting via sanitize_file Function","description":"The Shared Files – Frontend File Upload Form & Secure File Sharing plugin for WordPress is vulnerable to Stored Cross-Site Scripting via html File uploads in all versions up to, and including, 1.7.48 due to insufficient input sanitization and output escaping within the sanitize_file() function. This makes it possible for unauthenticated attackers to bypass the plugin’s MIME-only checks and inject arbitrary web scripts in pages that will execute whenever a user accesses the html file.","publishedAt":"2025-06-03T09:22:03.896Z","updatedAt":"2026-04-08T16:49:52.331Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["anssilaitila Shared Files – Frontend File Upload Form & Secure File Sharing"],"affected":[{"vendor":"anssilaitila","product":"Shared Files – Frontend File Upload Form & Secure File Sharing","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.7.48","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/469a9c8a-0708-4c93-99d8-e9157a1f91f5?source=cve","https://github.com/anssilaitila/shared-files/blob/master/admin/class-sf-admin-allow-more-file-types.php","https://wordpress.org/plugins/shared-files/#developers","https://plugins.trac.wordpress.org/changeset/3304053/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/4xxx/CVE-2025-4392.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-4392","state":"PUBLISHED","datePublished":"2025-06-03T09:22:03.896Z","dateUpdated":"2026-04-08T16:49:52.331Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2025-05-06T19:59:49.277Z"},"containers":{"cna":{"title":"Shared Files <= 1.7.48 - Unauthenticated Stored Cross-Site Scripting via sanitize_file Function","descriptions":[{"lang":"en","value":"The Shared Files – Frontend File Upload Form & Secure File Sharing plugin for WordPress is vulnerable to Stored Cross-Site Scripting via html File uploads in all versions up to, and including, 1.7.48 due to insufficient input sanitization and output escaping within the sanitize_file() function. This makes it possible for unauthenticated attackers to bypass the plugin’s MIME-only checks and inject arbitrary web scripts in pages that will execute whenever a user accesses the html file."}],"affected":[{"vendor":"anssilaitila","product":"Shared Files – Frontend File Upload Form & Secure File Sharing","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.7.48","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/469a9c8a-0708-4c93-99d8-e9157a1f91f5?source=cve"},{"url":"https://github.com/anssilaitila/shared-files/blob/master/admin/class-sf-admin-allow-more-file-types.php"},{"url":"https://wordpress.org/plugins/shared-files/#developers"},{"url":"https://plugins.trac.wordpress.org/changeset/3304053/"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","baseScore":7.2,"baseSeverity":"HIGH"}}],"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":"2026-04-08T16:49:52.331Z"},"credits":[{"lang":"en","type":"finder","value":"Martin Martin"}],"timeline":[{"time":"2025-06-02T21:07:01.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-03T13:53:28.990093Z","id":"CVE-2025-4392","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":"2025-06-03T13:53:45.351Z"}}]}}}