The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's UACF7_CUSTOM_FIELDS shortcode in all versions up to, and including, 3.5.21 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2025-6756 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Ultra Addons for Contact Form 7. It affects Versions up to 3.5.21 and is fixed in 3.5.22.
CVE-2025-6756 is tracked for the Plugin Ultra Addons for Contact Form 7 as medium severity with CVSS 6.4. The affected range is Versions up to 3.5.21. Update Ultra Addons for Contact Form 7 to 3.5.22 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
ultimate-addons-for-contact-form-7
View on wordpress.org
|
| CVE | CVE-2025-6756 |
| Patched Versions |
3.5.22
|
| Affected Versions |
Versions up to 3.5.21
|
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.
Ultimate Addons for Contact Form 7 <= 3.1.23 - Unauthenticated SQL Injection via form_id
Ultimate Addons for Contact Form 7 <= 3.1.23 - Authenticated(Subscriber+) SQL Injection
Ultimate Addons for Contact Form 7 <= 3.1.23 - Authenticated (Subscriber+) SQL Injection via id
Ultra Addons for Contact Form 7 3.5.11 - 3.5.19 - Unauthenticated Stored Cross-Site Scripting via Database module
Ultimate Addons for Contact Form 7 <= 3.5.12 - Authenticated (Administrator+) Arbitrary File Upload via 'save_options'
Ultra Addons for Contact Form 7 <= 3.5.36 - Authenticated (Contributor+) Stored Cross-Site Scripting
Ultimate Addons for Contact Form 7 <= 3.2.0 - Reflected Cross-Site Scripting
Ultimate Addons for Contact Form 7 <= 3.1.0 - Reflected Cross-Site Scripting via 'page'
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