{"id":"CVE-2023-7027","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-7027","generatedAt":"2026-10-28T01:13:28.409Z","title":"The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient…","description":"The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","published":"2024-01-03T05:15:12.000Z","lastModified":"2026-06-17T06:51:54.000Z","status":"Modified","sourceIdentifier":"security@wordfence.com","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["wpexperts/post smtp"],"epss":{"score":0.00941,"percentile":0.60728,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.94%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Mobile/includes/rest-api/v1/rest-api.php#L79","tags":["Exploit"],"source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Mobile/mobile.php#L219","tags":["Exploit"],"source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3016126%40post-smtp%2Ftrunk&old=3012318%40post-smtp%2Ftrunk&sfp_email=&sfph_mail=","tags":["Patch"],"source":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7e8911a3-ce0f-420c-bf2a-1c2929d01cef?source=cve","tags":["Third Party Advisory"],"source":"security@wordfence.com"},{"url":"http://packetstormsecurity.com/files/176525/WordPress-POST-SMTP-Mailer-2.8.7-Authorization-Bypass-Cross-Site-Scripting.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Mobile/includes/rest-api/v1/rest-api.php#L79","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Mobile/mobile.php#L219","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3016126%40post-smtp%2Ftrunk&old=3012318%40post-smtp%2Ftrunk&sfp_email=&sfph_mail=","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7e8911a3-ce0f-420c-bf2a-1c2929d01cef?source=cve","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-7027","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."}