Executive Summary

CVE-2025-9562 is a Stored Cross-Site Scripting (XSS) vulnerability in the Redirection for Contact Form 7 WordPress plugin. It occurs due to insufficient input sanitization and output escaping on user-supplied attributes in the plugin's qs_date shortcode. Authenticated attackers with contributor-level access or higher can inject arbitrary JavaScript code into pages, which executes whenever a user accesses those pages.

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Impact Analysis

This vulnerability allows authenticated users with contributor-level access or above to inject malicious scripts into the website. These scripts can execute in the context of other users visiting the affected pages, potentially leading to theft of sensitive information, session hijacking, defacement, or other malicious actions that compromise website security and user trust.

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Compliance Impact

The vulnerability could negatively impact compliance with standards like GDPR and HIPAA by exposing user data to unauthorized access through malicious script execution. Stored XSS can lead to data breaches or unauthorized data processing, which are violations of these regulations. Although the plugin supports GDPR compliance features such as data export and erase requests, the presence of this vulnerability undermines the overall security posture required for compliance. [1]

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Detection Guidance

Detection of this vulnerability involves identifying if the vulnerable version (up to and including 3.2.6) of the Redirection for Contact Form 7 plugin is installed on your WordPress site. Since the vulnerability is a Stored Cross-Site Scripting via the qs_date shortcode, you can check for the presence of this shortcode in your site content or posts. Additionally, monitoring for unusual script injections or unexpected JavaScript execution in pages using this shortcode may help detect exploitation attempts. There are no specific network commands provided in the resources. However, you can use WordPress CLI commands to check the plugin version, for example: `wp plugin list --status=active` to see if the vulnerable plugin version is active. Also, scanning your site content for the shortcode `[qs_date]` with suspicious attributes might help. No explicit commands for detection are provided in the resources. [1, 4]

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Mitigation Strategies

Immediate mitigation steps include updating the Redirection for Contact Form 7 plugin to version 3.2.7 or later, as this update addresses the vulnerability by improving data sanitization and output escaping. If updating immediately is not possible, restrict contributor-level access to trusted users only, since the vulnerability requires authenticated users with contributor-level access or higher to exploit. Additionally, review and sanitize any user-supplied attributes in the qs_date shortcode usage manually. Applying security best practices such as using a Web Application Firewall (WAF) to block malicious scripts and monitoring for suspicious activity is also recommended. [1, 4]

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