CVE-2024-9204
Smart Custom 404 Error Page <= 11.4.7 - Reflected Cross-Site Scripting
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
The Smart Custom 404 Error Page plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via $_SERVER['REQUEST_URI'] in all versions up to, and including, 11.4.7 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.
| CWE | CWE-79 |
| Vendor | nerdpressteam |
| Product | smart custom 404 error page |
| Published | Oct 4, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
nerdpressteam / Smart Custom 404 Error Page
0 ≤ 11.4.7
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/93928123-c90d-4bbb-b51d-33e809867b79?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/404page/tags/11.4.7/inc/class-404page.php#L1227 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/404page/tags/11.4.7/functions.php#L112 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3161639/#file2
Credits
Craig Smith