CVE-2024-33594
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Leaky Paywall WordPress plugin that allows unauthenticated users to manipulate subscription prices. Attackers can exploit this to purchase subscriptions at arbitrary prices, potentially for free. All WordPress sites using Leaky Paywall versions up to 4.20.8 are affected.
💻 Affected Systems
- Leaky Paywall 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 purchase premium subscriptions for free, causing significant revenue loss and potentially gaining unauthorized access to paid content.
Likely Case
Attackers purchase subscriptions at reduced prices, leading to financial loss and undermining the paywall's integrity.
If Mitigated
With proper authorization checks, only authenticated users with appropriate permissions can modify subscription prices.
🎯 Exploit Status
The vulnerability is publicly documented with proof-of-concept details available, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.20.9
Vendor Advisory: https://patchstack.com/database/vulnerability/leaky-paywall/wordpress-leaky-paywall-plugin-4-20-8-price-manipulation-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Leaky Paywall and click 'Update Now'. 4. Verify version is 4.20.9 or higher.
🔧 Temporary Workarounds
Disable Leaky Paywall Plugin
allTemporarily disable the plugin to prevent exploitation while planning permanent fix.
wp plugin deactivate leaky-paywall
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block price manipulation requests
- Monitor transaction logs for suspicious price modifications and implement manual review
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Leaky Paywall version. If version is 4.20.8 or lower, you are vulnerable.
Check Version:
wp plugin list --name=leaky-paywall --field=version
Verify Fix Applied:
Verify Leaky Paywall version is 4.20.9 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual price modifications in transaction logs
- Multiple subscription purchases at non-standard prices
Network Indicators:
- HTTP POST requests to price modification endpoints without proper authentication
SIEM Query:
source="wordpress.log" AND ("leaky-paywall" OR "price_modification") AND status=200 AND user="unauthenticated"