CVE-2025-48345

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Contact Form 7 Editor Button WordPress plugin. When users visit a specially crafted URL, their browsers execute the attacker's code, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Contact Form 7 Editor Button WordPress Plugin
Versions: All versions up to and including 1.0.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin activated. No special configuration needed.

⚠️ 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 session cookies, take over WordPress sites, install backdoors, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers steal user session cookies, perform actions as authenticated users, or redirect users to phishing pages.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill. Attackers need to trick users into clicking malicious links.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/cf7-editor-button/vulnerability/wordpress-contact-form-7-editor-button-plugin-1-0-0-reflected-cross-site-scripting-xss-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 Editor Button'. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 1.0.1+ from WordPress repository.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Contact Form 7 Editor Button plugin until patched

wp plugin deactivate cf7-editor-button

Implement WAF rules

all

Add web application firewall rules to block XSS payloads targeting this plugin

🧯 If You Can't Patch

  • Remove the Contact Form 7 Editor Button plugin completely
  • Implement Content Security Policy headers to restrict script execution

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for 'Contact Form 7 Editor Button' version 1.0.0 or earlier

Check Version:

wp plugin get cf7-editor-button --field=version

Verify Fix Applied:

Verify plugin version is 1.0.1 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or JavaScript payloads
  • Multiple failed login attempts following suspicious URL visits

Network Indicators:

  • HTTP requests with suspicious parameters containing <script> tags or JavaScript code
  • Outbound connections to unknown domains after visiting specific URLs

SIEM Query:

source="wordpress.log" AND ("cf7-editor-button" OR "contact form 7 editor") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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