Reflected Cross-Site Scripting in POST SMTP Mailer Plugin for WordPress
CVE-2023-6629
6.1MEDIUM
Key Information:
- Vendor
WordPress
- Vendor
- CVE Published:
- 3 January 2024
What is CVE-2023-6629?
A reflected cross-site scripting vulnerability exists in the POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP plugin for WordPress. This vulnerability arises from inadequate input sanitization and output escaping associated with the 'msg' parameter. Attackers can exploit this flaw to inject arbitrary web scripts into pages, which execute if an unsuspecting user is lured into clicking a malicious link. This poses significant security concerns for WordPress sites using this plugin, allowing unauthorized script execution without proper user authentication.
Affected Version(s)
POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications * <= 2.8.6