CVE-2025-39562
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Payment Form for PayPal Pro WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies, redirecting users, or performing actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Payment Form for PayPal Pro 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 could steal administrator session cookies, take over WordPress sites, inject backdoors, redirect users to malicious sites, or steal payment information if forms are compromised.
Likely Case
Attackers inject malicious JavaScript that steals user session cookies or redirects users to phishing pages, potentially compromising user accounts and site integrity.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers, preventing execution.
🎯 Exploit Status
Stored XSS vulnerabilities in WordPress plugins are commonly exploited. While no public PoC is confirmed, exploitation is straightforward for attackers with basic web skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.73 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Payment Form for PayPal Pro'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Payment Form for PayPal Pro plugin until patched
wp plugin deactivate payment-form-for-paypal-pro
Implement WAF rules
allAdd web application firewall rules to block XSS payloads targeting this plugin
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Enable WordPress security plugins with XSS protection features
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Payment Form for PayPal Pro versionCheck Version:
wp plugin get payment-form-for-paypal-pro --field=versionVerify Fix Applied:
Verify plugin version is 1.1.73 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- JavaScript payloads in form submissions
- Multiple failed XSS attempts
Network Indicators:
- Malicious script tags in HTTP requests to payment form endpoints
- Unexpected redirects from payment pages
SIEM Query:
source="wordpress" AND ("payment-form-for-paypal-pro" OR "paypal-pro") AND ("script" OR "javascript" OR "onload" OR "onerror")