CVE-2025-1119
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary WordPress shortcodes through the Simply Schedule Appointments Booking Plugin. Attackers can potentially inject malicious code that runs with plugin privileges, affecting all WordPress sites using vulnerable versions of this plugin.
💻 Affected Systems
- Simply Schedule Appointments Booking Plugin for WordPress
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete site compromise, data theft, or malware installation via malicious shortcode payloads.
Likely Case
Unauthenticated attackers execute arbitrary shortcodes to deface sites, redirect users, or perform limited administrative actions.
If Mitigated
Attack attempts are logged but blocked, with no successful exploitation due to patched systems.
🎯 Exploit Status
No authentication required, making exploitation straightforward for attackers who discover the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.6.8.5
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3250719/simply-schedule-appointments/trunk/booking-app-new/page-appointment-edit.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Simply Schedule Appointments Booking Plugin'. 4. Click 'Update Now' if available, or manually update to latest version. 5. Verify plugin version is above 1.6.8.5.
🔧 Temporary Workarounds
Disable vulnerable plugin
WordPressTemporarily disable the Simply Schedule Appointments plugin until patched
wp plugin deactivate simply-schedule-appointments
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block requests containing suspicious shortcode patterns
- Restrict access to the appointment booking functionality to authenticated users only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Simply Schedule Appointments → Version numberCheck Version:
wp plugin get simply-schedule-appointments --field=versionVerify Fix Applied:
Confirm plugin version is above 1.6.8.5 and test appointment booking functionality📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to appointment-related endpoints
- Unexpected shortcode execution in debug logs
- Multiple failed shortcode execution attempts
Network Indicators:
- HTTP requests with malicious shortcode parameters
- Unusual traffic patterns to /wp-admin/admin-ajax.php or plugin-specific endpoints
SIEM Query:
source="wordpress.log" AND ("simply-schedule-appointments" OR "appointment-edit") AND (shortcode OR do_shortcode)