Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the WordPress plugin "Dynamic Text Field For Contact Form 7" versions up to 1.0. It allows an attacker with contributor-level privileges to inject malicious scripts into the website. These scripts can execute when visitors access the site, potentially causing redirects, displaying unwanted advertisements, or executing other harmful HTML payloads. [1]

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Impact Analysis

If exploited, this vulnerability can allow attackers to run malicious scripts on your website, which can lead to unauthorized redirects, display of unwanted content, or other harmful actions affecting your visitors. This can damage your site's reputation, compromise user trust, and potentially lead to further security issues. Although the severity is considered low, it still poses a risk especially if attackers target your site opportunistically. [1]

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Detection Guidance

Detection involves checking if your WordPress site is running Dynamic Text Field For Contact Form 7 plugin version 1.0 or earlier. You can verify the plugin version via the WordPress admin dashboard or by inspecting the plugin files. Additionally, scanning for injected malicious scripts in user-submitted content or stored fields may help identify exploitation. While no specific commands are provided, using server-side malware scanning tools and reviewing contributor-level inputs for suspicious scripts is recommended. [1]

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Mitigation Strategies

Immediately update the Dynamic Text Field For Contact Form 7 plugin to version 1.1 or later, where the vulnerability is fixed. If updating is not immediately possible, consider applying virtual patching (vPatching) offered by Patchstack to auto-mitigate the vulnerability. Additionally, perform professional incident response and server-side malware scanning if you suspect your site has been compromised. [1]

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