CVE-2023-36510

7.3 HIGH

📋 TL;DR

This CVE describes a missing authorization vulnerability in the ReDi Restaurant Reservation WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 23.0211, potentially enabling unauthorized access to reservation data and administrative functions. WordPress sites using this plugin are vulnerable.

💻 Affected Systems

Products:
  • ReDi Restaurant Reservation WordPress Plugin
Versions: All versions up to and including 23.0211
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin version. No specific OS requirements.

⚠️ 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

Attackers could access, modify, or delete all restaurant reservation data, manipulate booking systems, or gain administrative privileges on the WordPress site.

🟠

Likely Case

Unauthorized users accessing reservation details, customer information, or modifying booking availability without proper authentication.

🟢

If Mitigated

With proper access controls and authentication mechanisms, impact would be limited to attempted unauthorized access attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Missing authorization vulnerabilities typically have low exploitation complexity and can be exploited without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 23.0211

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/redi-restaurant-reservation/vulnerability/wordpress-redi-restaurant-reservation-plugin-23-0211-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'ReDi Restaurant Reservation'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate redi-restaurant-reservation

Restrict Access

linux

Implement IP-based restrictions to plugin endpoints

# Add to .htaccess for Apache:
<FilesMatch "redi-restaurant-reservation">
Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
</FilesMatch>
# Add to nginx config:
location ~* /wp-content/plugins/redi-restaurant-reservation {
allow 192.168.1.0/24;
deny all;
}

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can reach the WordPress site
  • Enable detailed logging and monitoring for unauthorized access attempts to reservation endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > ReDi Restaurant Reservation for version number. If version is 23.0211 or earlier, you are vulnerable.

Check Version:

wp plugin get redi-restaurant-reservation --field=version

Verify Fix Applied:

Verify plugin version is higher than 23.0211 in WordPress admin panel. Test reservation functionality to ensure proper authorization checks.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /wp-content/plugins/redi-restaurant-reservation/ endpoints
  • Multiple failed authentication attempts followed by successful reservation access

Network Indicators:

  • Unusual traffic patterns to reservation endpoints from unexpected IP addresses
  • HTTP requests bypassing authentication to reservation management URLs

SIEM Query:

source="wordpress.log" AND ("redi-restaurant-reservation" OR "reservation") AND (status=200 OR status=302) AND NOT (user=authenticated_user)

🔗 References

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