Post Smtp
CVE-2023-6629
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
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. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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 products include: Wpexperts Post Smtp.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
The POST SMTP Mailer - Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress i
The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could al
The POST SMTP Mailer - Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress i
The Post SMTP Mailer/Email Log WordPress plugin before 2.1.7 does not have proper authorisation in some AJAX actions, wh
The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in
The POST SMTP Mailer WordPress plugin before 2.7.1 does not escape email message content before displaying it in the bac
The Post SMTP Mailer/Email Log WordPress plugin before 2.1.4 does not escape some of its settings before outputting them
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saad Iqbal Post SM
The POST SMTP - The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications plugin for W
The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, an
The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject parameter in al
Reflected or stored cross-site scripting in the Post SMTP WordPress plugin (versions 3.6.2 and earlier) allows unauthent
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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