CVE-2024-9267
Easy WordPress Subscribe – Optin Hound <= 1.4.3 - Reflected Cross-Site Scripting via add_query_arg Parameter
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
The Easy WordPress Subscribe – Optin Hound plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 1.4.3. 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 | optinhound |
| Product | easy wordpress subscribe – optin hound |
| Published | Oct 1, 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
optinhound / Easy WordPress Subscribe – Optin Hound
0 ≤ 1.4.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/b91ec428-8444-4304-8901-4bc3ef146e3e?source=cve wordpress.org: https://wordpress.org/plugins/opt-in-hound/#developers plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/opt-in-hound/trunk/includes/subscribers/views/view-submenu-page-subscribers.php#L17
Credits
Francesco Carlucci