Vulnerabilities and security researches forpost-smtp post-smtp
Direction: descendingJul 25, 2025
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2025-24000
- CVE, Research URL
- Date
- -
- Research Description
- Post SMTP – WP SMTP Plugin with Email Logs and Mobile App for Failure Notifications – Gmail SMTP, Office 365, Brevo, Mailgun, Amazon SES and more [post-smtp] < 3.3.0 CVE-2025-24000
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
Mar 09, 2025
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2024-13844
- CVE, Research URL
- Date
- Mar 08, 2025
- Research Description
- The Post SMTP plugin for WordPress is vulnerable to generic SQL Injection via the ‘columns’ parameter in all versions up to, and including, 3.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
Feb 21, 2025
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2025-0521
- CVE, Research URL
- Date
- Feb 18, 2025
- Research Description
- The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject parameter in all versions up to, and including, 3.0.2 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.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
Jan 11, 2025
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2025-22800
- CVE, Research URL
- Date
- Jan 13, 2025
- Research Description
- Missing Authorization vulnerability in Post SMTP Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post SMTP: from n/a through 2.9.11.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
Nov 18, 2024
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2024-52436
- CVE, Research URL
- Date
- Nov 18, 2024
- Research Description
- Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Post SMTP allows Blind SQL Injection.This issue affects Post SMTP: from n/a through 2.9.9.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
Jul 10, 2024
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-52233
- CVE, Research URL
- Date
- Jun 11, 2024
- Research Description
- Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
Jun 07, 2024
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-3179
- CVE, Research URL
- Date
- Jul 17, 2023
- Research Description
- The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability resend an email to an arbitrary address (for example a password reset email could be resent to an attacker controlled email, and allow them to take over an account).
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2022-2352
- CVE, Research URL
- Date
- Sep 26, 2022
- Research Description
- The Post SMTP Mailer/Email Log WordPress plugin before 2.1.7 does not have proper authorisation in some AJAX actions, which could allow high privilege users such as admin to perform blind SSRF on multisite installations for example.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2021-4422
- CVE, Research URL
- Date
- Jul 12, 2023
- Research Description
- The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.20. This is due to missing or incorrect nonce validation on the handleCsvExport() function. This makes it possible for unauthenticated attackers to trigger a CSV export via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-3082
- CVE, Research URL
- Date
- Jul 12, 2023
- Research Description
- The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.5.7 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.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2021-4342
- CVE, Research URL
-
-
- Date
- Jun 07, 2023
- Research Description
- Rejected reason: CVE split into individual CVE IDs for each software record.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # 179cffb63c8e1b85d66a822530b8c79e67772995
- CVE, Research URL
- Date
- Feb 11, 2021
- Research Description
- Post SMTP – WP SMTP Plugin with Email Logs and Mobile App for Failure Notifications – Gmail SMTP, Office 365, Brevo, Mailgun, Amazon SES and more [post-smtp] < 2.0.21 WordPress Post SMTP Mailer/Email Log plugin <= 2.0.20 - Cross-Site Request Forgery (CSRF) nonce validation vulnerability Cross-Site Request Forgery (CSRF) nonce validation vulnerability found in WordPress Post SMTP Mailer/Email Log plugin (versions <= 2.0.20).
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-3178
- CVE, Research URL
- Date
- Jan 16, 2024
- Research Description
- The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability delete arbitrary logs via a CSRF attack.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2022-2351
- CVE, Research URL
- Date
- Sep 16, 2022
- Research Description
- The Post SMTP Mailer/Email Log WordPress plugin before 2.1.4 does not escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2024-29128
- CVE, Research URL
- Date
- Mar 19, 2024
- Research Description
- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post SMTP POST SMTP allows Reflected XSS.This issue affects POST SMTP: from n/a through 2.8.6.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2024-5207
- CVE, Research URL
- Date
- May 30, 2024
- Research Description
- The POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications plugin for WordPress is vulnerable to time-based SQL Injection via the selected parameter in all versions up to, and including, 2.9.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with administrator access or higher to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-7027
- CVE, Research URL
- Date
- Jan 03, 2024
- Research 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.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-6620
- CVE, Research URL
- Date
- Jan 15, 2024
- Research Description
- The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-6621
- CVE, Research URL
- Date
- Jan 03, 2024
- Research Description
- The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-5958
- CVE, Research URL
- Date
- Nov 27, 2023
- Research Description
- The POST SMTP Mailer WordPress plugin before 2.7.1 does not escape email message content before displaying it in the backend, allowing an unauthenticated attacker to perform XSS attacks against highly privileged users.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-6629
- CVE, Research URL
- Date
- Jan 03, 2024
- Research Description
- The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘msg’ parameter in all versions up to, and including, 2.8.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications # CVE-2023-6875
- CVE, Research URL
- Date
- Jan 11, 2024
- Research Description
- The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a type juggling issue on the connect-app REST endpoint in all versions up to, and including, 2.8.7. This makes it possible for unauthenticated attackers to reset the API key used to authenticate to the mailer and view logs, including password reset emails, allowing site takeover.
- Affected versions
-
Min -, max -.
- Status
-
vulnerable