CVE-2026-103999

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via File Upload in all versions up to, and including, 3.5.54 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary w...

EUVD-2026-102660

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via File Upload in all versions up to, and including, 3.5.54 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary w...

CVE-2026-103999

The Ultra Addons for Contact Form 7 WordPress plugin is vulnerable to Stored Cross-Site Scripting (XSS) in all versions up to and including 3.5.54 . The root cause is insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts. Attackers...

CVE-2026-103999: Improper Neutralization of Input During Web Page Generation

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via File Upload in all versions up to, and including, 3.5.54 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary w...

PT-2026-115445

Name of the Vulnerable Software and Affected Versions Ultra Addons for Contact Form 7 versions prior to 3.5.55 Description Stored Cross-Site Scripting XSS occurs due to insufficient input sanitization and output escaping during file uploads. Unauthenticated attackers can inject arbitrary web...