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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.

PUBLISHED Reserved 2025-10-02 | Published 2025-10-25 | Updated 2025-10-27 | Assigner Wordfence




HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-09-17:Discovered
2025-10-06:Vendor Notified
2025-10-24:Disclosed

Credits

Naoya Takahashi finder

References

www.wordfence.com/...-21ad-43ca-93d1-73c38e12bc29?source=cve

plugins.trac.wordpress.org/changeset/3373855/watu

cve.org (CVE-2025-11238)

nvd.nist.gov (CVE-2025-11238)

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