CVE-2024-11194

8.8 HIGH

📋 TL;DR

This vulnerability allows authenticated WordPress users with Subscriber-level access or higher to modify certain WordPress options, potentially escalating their privileges to Administrator. Attackers can exploit this to gain full administrative control over vulnerable WordPress sites. All sites using the Classified Listing plugin version 3.1.15.1 or earlier are affected.

💻 Affected Systems

Products:
  • Classified Listing – Classified ads & Business Directory Plugin for WordPress
Versions: All versions up to and including 3.1.15.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Attackers need at least Subscriber-level authenticated access.

⚠️ 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

Complete site takeover where attackers gain Administrator access, install backdoors, steal data, deface the site, or use it for further attacks.

🟠

Likely Case

Attackers escalate privileges to Administrator and maintain persistent access to compromise the site and potentially other systems.

🟢

If Mitigated

Limited impact if proper access controls, monitoring, and least privilege principles are implemented.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and Subscriber accounts are commonly created for legitimate users.
🏢 Internal Only: MEDIUM - Internal WordPress instances could still be compromised if attackers gain authenticated access.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once an attacker has Subscriber credentials. The vulnerability is publicly documented with code references.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 3.1.15.2 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3189516/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Classified Listing' plugin. 4. Click 'Update Now' if available, or manually update to version 3.1.15.2+. 5. Verify update completes successfully.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Classified Listing plugin until patched.

wp plugin deactivate classified-listing

Restrict user registration

all

Disable new user registration to prevent attackers from creating Subscriber accounts.

Set WordPress Settings → General → Membership to 'Anyone can register' = OFF

🧯 If You Can't Patch

  • Implement strict access controls and monitor all user accounts, especially those with Subscriber role.
  • Use web application firewall (WAF) rules to block requests to the vulnerable 'rtcl_import_settings' function.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'Classified Listing' version 3.1.15.1 or earlier.

Check Version:

wp plugin get classified-listing --field=version

Verify Fix Applied:

Confirm plugin version is 3.1.15.2 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin-ajax.php with action=rtcl_import_settings
  • User role changes from Subscriber to Administrator
  • Suspicious option modifications in wp_options table

Network Indicators:

  • HTTP requests containing 'rtcl_import_settings' parameter from non-admin users

SIEM Query:

source="wordpress.log" AND "rtcl_import_settings" AND user_role="subscriber"

🔗 References

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