CVE-2024-13443
📋 TL;DR
This stored XSS vulnerability in the Easypromos WordPress plugin allows authenticated attackers with contributor-level access or higher to inject malicious scripts into website pages. The scripts execute whenever users visit compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using Easypromos plugin versions up to 1.3.8 are affected.
💻 Affected Systems
- WordPress Easypromos 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, 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 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 specific pages.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.9 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/easypromos/tags/1.3.9
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Easypromos Plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.3.9+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Easypromos plugin until patched
wp plugin deactivate easypromos
Restrict User Roles
linuxRemove contributor-level access from untrusted users
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Regularly audit user accounts and remove unnecessary contributor-level access
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Easypromos version. If version is 1.3.8 or lower, you are vulnerable.Check Version:
wp plugin get easypromos --field=versionVerify Fix Applied:
Verify plugin version is 1.3.9 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin with easypromos parameters containing script tags
- Multiple page edits by contributor-level users
Network Indicators:
- Outbound connections to suspicious domains from your WordPress site
- Unexpected script loads in page responses
SIEM Query:
source="wordpress.log" AND ("easypromos" AND ("<script" OR "javascript:"))