CVE-2024-12561
📋 TL;DR
This vulnerability allows unauthenticated attackers to redirect WordPress users to malicious websites by exploiting insufficient URL validation in the Affiliate Sales plugin. All WordPress sites using this plugin up to version 1.4.9 are affected. Attackers can trick users into clicking specially crafted links that redirect them to phishing or malware sites.
💻 Affected Systems
- Affiliate Sales in Google Analytics and other tools 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
Users are redirected to sophisticated phishing sites that steal credentials or deliver malware, leading to account compromise, data theft, or ransomware infection.
Likely Case
Attackers use the redirect for phishing campaigns, credential harvesting, or ad fraud by redirecting users to malicious or scam websites.
If Mitigated
With proper user awareness training and web filtering, the impact is limited to failed phishing attempts and minor user inconvenience.
🎯 Exploit Status
Exploitation requires only a crafted URL with the 'afflink' parameter pointing to a malicious site. No authentication or special privileges needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.0 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/wecantrack/trunk/WecantrackApp.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Affiliate Sales in Google Analytics and other tools'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.5.0+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Input Validation Filter
allAdd custom validation to sanitize the afflink parameter before processing
Add to theme's functions.php or custom plugin: add_filter('wecantrack_afflink', 'sanitize_url');
Plugin Deactivation
linuxTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wecantrack
🧯 If You Can't Patch
- Disable the Affiliate Sales plugin immediately
- Implement web application firewall rules to block requests containing external URLs in the afflink parameter
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for 'Affiliate Sales in Google Analytics and other tools' version 1.4.9 or lower
Check Version:
wp plugin get wecantrack --field=version
Verify Fix Applied:
Confirm plugin version is 1.5.0 or higher in WordPress admin, or test with a crafted afflink parameter that should be rejected
📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing 'afflink' parameter with external domains
- Multiple 302 redirects from the plugin endpoint
Network Indicators:
- Unusual outbound redirects from /wp-content/plugins/wecantrack/ endpoints
- Traffic to known malicious domains following plugin access
SIEM Query:
source="wordpress.log" AND "afflink" AND ("http://" OR "https://") NOT "wordpress.org"