{"id":"CVE-2026-111832","aliases":["EUVD-2026-107282","GHSA-2hrr-86cg-w5v9"],"status":"published","title":"WordPress WP Mailster plugin \u003c= 1.9.1.0 - Arbitrary File Upload vulnerability","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.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00405,"percentile":0.35262,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-10-21T14:00:13Z","modified":"2026-10-21T18:19:16Z","products":[{"vendor":"brandtoss","product":"wp mailster"},{"vendor":"wp mailster","product":"wp mailster"}],"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","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111832"},{"url":"https://github.com/advisories/GHSA-2hrr-86cg-w5v9"}],"sources":{"cve":[{"id":"CVE-2026-111832","title":"WordPress WP Mailster plugin \u003c= 1.9.1.0 - Arbitrary File Upload vulnerability","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.","status":"published","published":"2026-10-21T14:00:13.392Z","modified":"2026-10-21T17:19:12.429Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-107282","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.","status":"published","published":"2026-10-21T14:00:13Z","modified":"2026-10-21T17:19:12Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:36.259658Z"}],"ghsa":[{"id":"GHSA-2hrr-86cg-w5v9","title":"Unrestricted Upload of File with Dangerous Type vulnerability in WP Mailster WP Mailster wp...","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.","status":"published","published":"2026-10-21T15:42:32Z","modified":"2026-10-21T15:43:46Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:14:11.937937Z"}],"nvd":[{"id":"CVE-2026-111832","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.","status":"published","published":"2026-10-21T15:17:15.13Z","modified":"2026-10-21T18:19:16.95Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:13:02.371082Z"}]}}