{"id":"CVE-2026-111832","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-111832","generatedAt":"2026-10-28T02:24:58.584Z","title":"Unrestricted Upload of File with Dangerous Type vulnerability in WP Mailster WP Mailster wp-mailster allows Upload a Web Shell to a Web Server.This issue affects WP Mailster: from n/a through 1.9.1.0.","description":"Unrestricted Upload of File with Dangerous Type vulnerability in WP Mailster WP Mailster wp-mailster allows Upload a Web Shell to a Web Server.This issue affects WP Mailster: from n/a through 1.9.1.0.","published":"2026-10-21T15:17:15.000Z","lastModified":"2026-10-21T18:19:17.000Z","status":"Deferred","sourceIdentifier":"audit@patchstack.com","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":[],"epss":{"score":0.00405,"percentile":0.34522,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00405,"percentile":0.33634}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T15:17:15.000Z","detail":{"score":"10.0","severity":"CRITICAL","publishedAt":"2026-10-21T15:17:15.130Z"},"summary":"New CVE, critical severity (CVSS 10.0)."}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-9-1-0-arbitrary-file-upload-vulnerability?_s_id=cve","source":"audit@patchstack.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-111832","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}