CVE-2025-11496
📋 TL;DR
This stored XSS vulnerability in the Five Star Restaurant Reservations WordPress plugin allows unauthenticated attackers to inject malicious scripts via the 'rtb-name' parameter. The scripts execute when users view compromised reservation pages, potentially affecting all WordPress sites using vulnerable plugin versions.
💻 Affected Systems
- Five Star Restaurant Reservations - WordPress Booking Plugin
⚠️ 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
Attackers could steal admin credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies, redirect visitors to phishing sites, or display unwanted advertisements.
If Mitigated
With proper WAF rules and input validation, the risk reduces to minimal impact with potential script injection but limited execution.
🎯 Exploit Status
Simple payload injection via reservation form fields requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.7.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Five Star Restaurant Reservations'. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.7.6+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate restaurant-reservations
WAF Rule Implementation
allAdd rule to block malicious input in rtb-name parameter
Modify WAF configuration to sanitize/block script tags in reservation form submissions
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to limit script execution
- Use web application firewall to filter malicious input in reservation forms
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins > Installed PluginsCheck Version:
wp plugin get restaurant-reservations --field=versionVerify Fix Applied:
Verify plugin version is 2.7.6 or higher and test reservation form for script injection📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to reservation endpoints with script tags in parameters
- Multiple failed reservation attempts with encoded payloads
Network Indicators:
- HTTP requests containing <script> tags in rtb-name parameter
- Unusual outbound connections from reservation pages
SIEM Query:
source="wordpress.log" AND "rtb-name" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")