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Vulnerability record · CVE-2025-11238 · published 25 October 2025

CVE-2025-11238: Cross-site scripting vulnerability

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.

7.2 CVSS 3.1 High EPSS 0.26% · top 84.5% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

References

LinkTags
https://plugins.trac.wordpress.org/changeset/3373855/watu
https://www.wordfence.com/threat-intel/vulnerabilities/id/168e7eac-21ad-43ca-93d1-73c38e12bc29?source=cve

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Source: NIST National Vulnerability Database (record CVE-2025-11238), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.