CVE-2024-13437

4.3 MEDIUM

📋 TL;DR

This Cross-Site Request Forgery vulnerability in the Book a Room WordPress plugin allows attackers to change plugin settings without authentication by tricking administrators into clicking malicious links. All WordPress sites using Book a Room plugin versions 2.9 and earlier are affected. The vulnerability stems from missing security tokens (nonces) on the settings page.

💻 Affected Systems

Products:
  • Book a Room WordPress Plugin
Versions: All versions up to and including 2.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Book a Room plugin active. All default configurations are vulnerable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify booking settings, disable functionality, or redirect users to malicious sites by changing plugin configuration.

🟠

Likely Case

Attackers change booking settings to disrupt operations, modify email notifications, or alter booking parameters.

🟢

If Mitigated

With proper CSRF protections and admin awareness, impact is minimal as it requires admin interaction.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires social engineering to trick authenticated admin into clicking malicious link. No authentication needed for the CSRF attack itself.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.10 or later

Vendor Advisory: https://wordpress.org/plugins/book-a-room/

Restart Required: No

Instructions:

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

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the Book a Room plugin until patched

wp plugin deactivate book-a-room

🧯 If You Can't Patch

  • Implement Content Security Policy with strict directives
  • Use browser extensions that block CSRF attempts and educate administrators about phishing risks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for Book a Room version. If version is 2.9 or lower, system is vulnerable.

Check Version:

wp plugin get book-a-room --field=version

Verify Fix Applied:

Verify Book a Room plugin version is 2.10 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Multiple POST requests to /wp-admin/admin.php?page=bookaroom_Settings from unusual sources
  • Unexpected changes to plugin settings

Network Indicators:

  • HTTP POST requests to plugin settings endpoint without proper referrer headers

SIEM Query:

source="wordpress.log" AND "bookaroom_Settings" AND method="POST"

🔗 References

📤 Share & Export