CVE-2025-31582
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Contact Form vCard Generator WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using Contact Form vCard Generator versions up to 2.4 are affected.
💻 Affected Systems
- Contact Form vCard Generator WordPress Plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full administrative access to WordPress, install backdoors, deface websites, or compromise user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the WordPress context.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Exploitation requires submitting malicious input through the contact form, which then gets stored and executed when other users view the page. Basic web security knowledge is sufficient for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Contact Form vCard Generator'. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 2.5+ from WordPress repository and replace the plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate contact-form-vcard-generator
Input Sanitization Filter
allAdd custom input sanitization to WordPress functions.php
Add filter: add_filter('preprocess_comment', 'sanitize_text_field');
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with XSS protection rules
- Disable the contact form functionality or replace with alternative secure form plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Contact Form vCard Generator' version ≤2.4Check Version:
wp plugin get contact-form-vcard-generator --field=versionVerify Fix Applied:
Verify plugin version is 2.5 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to contact form endpoints with script tags
- Multiple failed form submissions with encoded payloads
Network Indicators:
- HTTP requests containing <script> tags in form parameters
- Unusual outbound connections from WordPress site after form submissions
SIEM Query:
source="wordpress.log" AND ("contact-form" OR "vcard") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")