What’s Vulnerable › Vulnerabilities

CVE-2024-0509: WP 404 Auto Redirect to Similar Post <= 1.0.3 - Reflected Cross-Site Scripting via request

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-05 · updated 2026-06-17
• Weakness: CWE-79

Description

The WP 404 Auto Redirect to Similar Post plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘request’ parameter in all versions up to, and including, 1.0.3 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.

Affected products

• hwk-fr WP 404 Auto Redirect to Similar Post: through 1.0.3

References

• https://plugins.trac.wordpress.org/changeset/3031134/wp-404-auto-redirect-to-similar-post/trunk/includes/ajax.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6eef5549-3f89-4d6f-8c4e-6e4ee6082042?source=cve
• https://plugins.trac.wordpress.org/changeset/3031134/wp-404-auto-redirect-to-similar-post/trunk/includes/ajax.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6eef5549-3f89-4d6f-8c4e-6e4ee6082042?source=cve

Get alerted when CVE-2024-0509 or the next vulnerability affects your stack