CVE-2025-12834
📋 TL;DR
This vulnerability allows unauthenticated attackers to inject malicious scripts via the 'failure_message' parameter in the Accept Stripe Payments Using Contact Form 7 WordPress plugin. When users click specially crafted links, the scripts execute in their browsers, potentially stealing session cookies or redirecting to malicious sites. All WordPress sites using vulnerable plugin versions up to 3.1 are affected.
💻 Affected Systems
- Accept Stripe Payments Using Contact Form 7 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 administrative access to WordPress, install backdoors, deface websites, or steal sensitive customer payment data.
Likely Case
Attackers steal user session cookies, redirect users to phishing sites, or perform actions on behalf of authenticated users.
If Mitigated
Script execution is blocked by browser security features or web application firewalls, limiting impact to minor UI disruption.
🎯 Exploit Status
Simple reflected XSS requiring user interaction (clicking malicious link). Exploit code can be easily crafted from public vulnerability details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Accept Stripe Payments Using Contact Form 7'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.2+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock malicious 'failure_message' parameter values containing script tags or JavaScript.
WAF-specific configuration required
Temporary Plugin Deactivation
linuxDisable vulnerable plugin until patched version is available.
wp plugin deactivate accept-stripe-payments-using-contact-form-7
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
- Use browser security features like X-XSS-Protection and X-Content-Type-Options headers.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Accept Stripe Payments Using Contact Form 7' version number.Check Version:
wp plugin get accept-stripe-payments-using-contact-form-7 --field=versionVerify Fix Applied:
Confirm plugin version is 3.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing 'failure_message' parameter with script tags or JavaScript code
- Unusual referrer URLs in access logs
Network Indicators:
- Outbound connections to suspicious domains following plugin page visits
SIEM Query:
source="web_access_logs" AND uri="*failure_message=*<script>*"