CVE-2025-67576
📋 TL;DR
This CVE describes a missing authorization vulnerability in the QuantumCloud Simple Link Directory WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions that should require proper authentication. This affects all WordPress sites running Simple Link Directory version 8.8.3 or earlier.
💻 Affected Systems
- QuantumCloud Simple Link Directory 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
Complete compromise of the WordPress site through privilege escalation, allowing attackers to modify plugin settings, add malicious links, or potentially gain administrative access to the WordPress installation.
Likely Case
Unauthorized modification of link directory content, addition of malicious/spam links, or manipulation of plugin settings without proper authentication.
If Mitigated
No impact if proper access controls are implemented and the vulnerability is patched before exploitation attempts.
🎯 Exploit Status
While no public proof-of-concept exists, the vulnerability type (CWE-862) suggests relatively straightforward exploitation for attackers with basic WordPress knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.8.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Simple Link Directory' and click 'Update Now'. 4. Alternatively, download version 8.8.4+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Simple Link Directory plugin until patching is possible
wp plugin deactivate simple-link-directory
Restrict Access
allImplement IP-based restrictions to limit access to WordPress admin areas
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access attempts to plugin endpoints
- Enable detailed logging and monitoring for unauthorized access attempts to Simple Link Directory functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Simple Link Directory version. If version is 8.8.3 or earlier, you are vulnerable.
Check Version:
wp plugin get simple-link-directory --field=version
Verify Fix Applied:
Verify plugin version is 8.8.4 or later in WordPress admin panel. Test access control by attempting unauthorized actions that should require authentication.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Simple Link Directory admin endpoints
- Unexpected modifications to link directory content without proper user authentication
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with simple-link-directory action parameters from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("simple-link-directory" OR "sl_directory") AND (status=403 OR status=401)