YaySMTP 2.4.9 - 2.6.2 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-0916
CVSS 7.2 (High)
Publicly Published February 18, 2025
Last Updated February 19, 2025
Researcher zer0gh0st

Description

The YaySMTP and Email Logs: Amazon SES, SendGrid, Outlook, Mailgun, Brevo, Google and Any SMTP Service plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions 2.4.9 to 2.6.2 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. Note: The vulnerability has been initially patched in version 2.4.8 and was reintroduced in version 2.4.9 with the removal of the wp_kses_post() built-in WordPress sanitization function.

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Vulnerability Details for YaySMTP and Email Logs: Amazon SES, SendGrid, Outlook, Mailgun, Brevo, Google and Any SMTP Service

Software Type Plugin
Software Slug yaysmtp (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.6.3, or a newer patched version
Affected Version
  • 2.4.9 - 2.6.2
Patched Version
  • 2.6.3

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