Email Subscription Popup <= 1.2.18 - Reflected Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2023-6527
CVSS Medium (6.1)
Publicly Published December 5, 2023
Last Updated January 22, 2024
Researcher 0x9567b
Description

The Email Subscription Popup plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the HTTP_REFERER header in all versions up to, and including, 1.2.18 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.

References

1 affected software package

Software Type Plugin
Software Slug email-subscribe (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.2.18
Patched Version
  • 1.2.19
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