CVE-2024-56220

9.8 CRITICAL

📋 TL;DR

This vulnerability allows attackers to escalate privileges in SSL Wireless SMS Notification WordPress plugin, enabling unauthorized users to gain administrative access. It affects all WordPress sites using this plugin from any version up to 3.5.0.

💻 Affected Systems

Products:
  • SSL Wireless SMS Notification WordPress Plugin
Versions: n/a through 3.5.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with this plugin installed and activated.

⚠️ 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 full administrative control, can install backdoors, steal data, deface the site, or use it for further attacks.

🟠

Likely Case

Attackers gain administrative privileges to modify content, install malicious plugins/themes, or access sensitive user data.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Privilege escalation vulnerabilities in WordPress plugins are frequently exploited once details become public.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.5.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/ssl-wireless-sms-notification/vulnerability/wordpress-ssl-wireless-sms-notification-plugin-3-5-0-privilege-escalation-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find SSL Wireless SMS Notification. 4. Click 'Update Now' if available. 5. If no update appears, download version 3.5.1+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate ssl-wireless-sms-notification

Restrict Access

linux

Implement IP whitelisting for WordPress admin area.

# Add to .htaccess for Apache:
Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
# Add to nginx config:
location /wp-admin {
    allow 192.168.1.0/24;
    deny all;
}

🧯 If You Can't Patch

  • Implement strict access controls and monitoring for admin user activities
  • Deploy web application firewall with privilege escalation protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → SSL Wireless SMS Notification → Version. If version is 3.5.0 or earlier, you are vulnerable.

Check Version:

wp plugin get ssl-wireless-sms-notification --field=version

Verify Fix Applied:

Verify plugin version is 3.5.1 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual admin user creation/modification
  • Multiple failed login attempts followed by successful admin login from new IP
  • Plugin file modifications

Network Indicators:

  • HTTP POST requests to wp-admin/user-new.php from unauthorized IPs
  • Unusual API calls to SMS notification endpoints

SIEM Query:

source="wordpress.log" AND (event="user_role_changed" OR event="plugin_updated") AND plugin="ssl-wireless-sms-notification"

🔗 References

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