Watu Quiz <= 3.4.4 - Unauthenticated Stored Cross-Site Scripting via HTTP Referer

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-11238
CVSS High (7.2)
Publicly Published October 24, 2025
Last Updated October 25, 2025
Researcher Naoya Takahashi (nakko)
Description

The Watu Quiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HTTP Referer header in versions less than, or equal to, 3.4.4 due to insufficient input sanitization and output escaping when the "Save source URL" option is enabled. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an user accesses an injected page.

References

1 affected software package

Software Type Plugin
Software Slug watu (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 3.4.4
Patched Version
  • 3.4.5
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