The Contact Form by Supsystic plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 1.7.36 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.
CVE-2025-52753 is a medium severity with CVSS 6.1 Cross-Site Scripting issue affecting the Plugin Contact Form by Supsystic. It affects Versions up to 1.7.36 and is fixed in 1.8.0.
CVE-2025-52753 is tracked for the Plugin Contact Form by Supsystic as medium severity with CVSS 6.1. The affected range is Versions up to 1.7.36. Update Contact Form by Supsystic to 1.8.0 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
contact-form-by-supsystic
View on wordpress.org
|
| CVE | CVE-2025-52753 |
| Patched Versions |
1.8.0
|
| Affected Versions |
Versions up to 1.7.36
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Contact Form by Supsystic <= 1.7.36 - Unauthenticated Server-Side Template Injection via Prefill Functionality
Contact Form by Supsystic <= 1.7.28 - Authenticated (Admin+) Remote Code Execution
Contact Form by Supsystic <= 1.7.29 - Cross-Site Request Forgery to Stored Cross-Site Scripting via saveAsCopy AJAX Action
Contact Form by Supsystic <= 1.7.14 - Reflected Cross-Site scripting
Contact Form by Supsystic <= 1.7.24 - Cross-Site Request Forgery via AJAX action
Contact Form by Supsystic <= 1.7.28 - Authenticated (Administrator+) Stored Cross-Site Scripting
Contact Form by Supsystic <= 1.7.27 - Cross-Site Request Forgery
Contact Form by Supsystic <= 1.7.10 - SQL Injections
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