CVE-2024-54433

7.1 HIGH

📋 TL;DR

This vulnerability in Simple Booking Widget allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated users into executing malicious actions that inject persistent scripts into the website. WordPress sites using vulnerable versions of the Simple Booking Widget plugin are affected.

💻 Affected Systems

Products:
  • Simple Booking Widget WordPress Plugin
Versions: All versions up to and including 1.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the plugin to be installed and activated on a WordPress site. The vulnerability is present in default configurations.

⚠️ 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 inject malicious JavaScript that steals admin credentials, defaces websites, redirects visitors to malicious sites, or performs unauthorized administrative actions on behalf of users.

🟠

Likely Case

Attackers inject tracking scripts, deface content, or redirect users to phishing pages by exploiting the CSRF-to-XSS chain.

🟢

If Mitigated

With proper CSRF tokens and input validation, the attack would fail at the initial CSRF stage, preventing XSS injection entirely.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires tricking an authenticated user (typically an admin) into clicking a malicious link or visiting a crafted page. The CSRF vulnerability enables the XSS payload to be stored.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/simple-booking-widget/vulnerability/wordpress-simple-booking-widget-plugin-1-1-csrf-to-stored-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin dashboard. 2. Navigate to Plugins > Installed Plugins. 3. Find Simple Booking Widget and click 'Update Now' if available. 4. If no update appears, manually download version 1.2+ from WordPress.org and replace the plugin files via FTP or file manager.

🔧 Temporary Workarounds

Disable Simple Booking Widget Plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate simple-booking-widget

Implement CSRF Protection

all

Add CSRF tokens to all form submissions and AJAX requests in the plugin code

🧯 If You Can't Patch

  • Remove the Simple Booking Widget plugin entirely from your WordPress installation
  • Implement a Web Application Firewall (WAF) with CSRF and XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for Simple Booking Widget version 1.1 or earlier

Check Version:

wp plugin get simple-booking-widget --field=version

Verify Fix Applied:

Verify the plugin version shows 1.2 or higher in WordPress admin plugins list

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to booking widget endpoints from unexpected referrers
  • JavaScript injection patterns in form submissions

Network Indicators:

  • CSRF attacks typically involve requests with missing or mismatched referrer headers

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "simple-booking") AND (http_method="POST" AND referrer NOT CONTAINS own_domain)

🔗 References

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