CVE-2025-63068

5.3 MEDIUM

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages using the Contact Form 7 Dynamic Text Extension WordPress plugin. When exploited, it enables cross-site scripting (XSS) attacks that can steal user data or hijack sessions. WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Contact Form 7 Dynamic Text Extension WordPress Plugin
Versions: All versions up to and including 5.0.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the plugin to be installed and active on a WordPress site. The vulnerability exists in the dynamic text functionality.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or display unwanted content.

🟢

If Mitigated

With proper input validation and output encoding, the risk is limited to minor content manipulation if other security controls fail.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

XSS vulnerabilities are commonly exploited and require minimal technical skill. The vulnerability is in a widely used WordPress plugin.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.0.4 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/contact-form-7-dynamic-text-extension/vulnerability/wordpress-contact-form-7-dynamic-text-extension-plugin-5-0-3-content-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Contact Form 7 Dynamic Text Extension'. 4. Click 'Update Now' if available. 5. Alternatively, download version 5.0.4+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate contact-form-7-dynamic-text-extension

Implement WAF Rules

all

Add web application firewall rules to block XSS payloads

🧯 If You Can't Patch

  • Remove or disable the Contact Form 7 Dynamic Text Extension plugin
  • Implement strict Content Security Policy (CSP) headers to mitigate script execution

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Contact Form 7 Dynamic Text Extension version

Check Version:

wp plugin get contact-form-7-dynamic-text-extension --field=version

Verify Fix Applied:

Verify plugin version is 5.0.4 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to contact form endpoints with script tags
  • JavaScript payloads in form submissions

Network Indicators:

  • HTTP requests containing <script> tags or JavaScript events in form data

SIEM Query:

source="wordpress.log" AND "contact-form-7-dynamic-text-extension" AND ("<script>" OR "javascript:" OR "onclick=" OR "onload=")

🔗 References

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