CVE-2024-11383
📋 TL;DR
The CC Canadian Mortgage Calculator WordPress plugin has a stored cross-site scripting vulnerability that allows authenticated attackers with contributor-level access or higher to inject malicious scripts into website pages. These scripts execute whenever users visit the compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using this plugin up to version 2.1.0 are affected.
💻 Affected Systems
- CC Canadian Mortgage Calculator WordPress 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 administrator credentials, take over the WordPress site, deface pages, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or display unwanted advertisements.
If Mitigated
With proper user access controls and content security policies, impact is limited to potential defacement of affected pages.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.1.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'CC Canadian Mortgage Calculator'. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate cc-canadian-mortgage-calculator
Restrict User Roles
allLimit contributor and author role assignments to trusted users only
🧯 If You Can't Patch
- Remove the 'cc-mortgage-canada' shortcode from all posts and pages
- Implement Content Security Policy headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'CC Canadian Mortgage Calculator' version 2.1.0 or lowerCheck Version:
wp plugin get cc-canadian-mortgage-calculator --field=versionVerify Fix Applied:
Verify plugin version is higher than 2.1.0 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/post.php with cc-mortgage-canada shortcode parameters
- Multiple page edits by contributor-level users
Network Indicators:
- External script loads from unexpected domains on mortgage calculator pages
SIEM Query:
source="wordpress.log" AND ("cc-mortgage-canada" OR "cc_canadian_mortgage") AND ("script" OR "onclick" OR "javascript:")