CVE-2025-7820
📋 TL;DR
The SKT PayPal for WooCommerce WordPress plugin has a payment bypass vulnerability that allows unauthenticated attackers to complete purchases without paying. This affects all WordPress sites using this plugin up to version 1.4. Attackers can exploit this to obtain products or services for free.
💻 Affected Systems
- SKT PayPal for WooCommerce 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
Complete financial loss for merchants as attackers obtain unlimited products/services without payment, potentially bankrupting small businesses.
Likely Case
Attackers exploit the vulnerability to obtain free products, causing direct revenue loss and inventory depletion.
If Mitigated
With proper server-side validation, all payment transactions are verified before order fulfillment, preventing unauthorized purchases.
🎯 Exploit Status
The vulnerability involves bypassing client-side controls, which typically requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.4 (check WordPress plugin repository for latest)
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'SKT PayPal for WooCommerce'. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the SKT PayPal for WooCommerce plugin to prevent exploitation
wp plugin deactivate skt-paypal-for-woocommerce
Implement server-side payment validation
allAdd custom server-side validation for all WooCommerce payment transactions
🧯 If You Can't Patch
- Disable the SKT PayPal for WooCommerce plugin immediately and use alternative payment methods
- Implement web application firewall rules to monitor and block suspicious payment bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for SKT PayPal for WooCommerce version 1.4 or earlierCheck Version:
wp plugin get skt-paypal-for-woocommerce --field=versionVerify Fix Applied:
Verify plugin version is updated beyond 1.4 and test payment flow with server-side validation📡 Detection & Monitoring
Log Indicators:
- WooCommerce orders completed without corresponding payment gateway transactions
- Multiple orders from same IP with zero payment amounts
Network Indicators:
- HTTP requests bypassing payment verification endpoints
- Unusual patterns in /wp-admin/admin-ajax.php requests
SIEM Query:
source="wordpress.log" AND "skt-paypal" AND ("order_completed" OR "payment_processing") NOT "payment_received"