What the vulnerability does
01Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in sevenspark Contact Form 7 – Dynamic Text Extension contact-form-7-dynamic-text-extension allows Code Injection.This issue affects Contact Form 7 – Dynamic Text Extension: from n/a through <= 5.0.5.
Explanation of Vulnerability in Simple Terms
02Summary
Contact Form 7 – Dynamic Text Extension versions 5.0.5 and earlier contain an improper input validation flaw that allows unauthenticated attackers to read sensitive information through the network. The vulnerability requires no user interaction and can be exploited by sending a specially crafted request. Site administrators should update to a version newer than 5.0.5 to mitigate exposure.
What an attacker can do
03Attacker Capabilities
Read sensitive information from the site without authentication.
Potential impact on your site
04Site Impact
Visitor data or site configuration details may be exposed to unauthenticated attackers.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
December 9, 2025
CVE published
April 28, 2026
Record updated