CVE-2024-12561

6.1 MEDIUM

📋 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

Products:
  • Affiliate Sales in Google Analytics and other tools WordPress plugin
Versions: All versions up to and including 1.4.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with the vulnerable plugin version are affected regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Add 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

linux

Temporarily 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"

🔗 References

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