CVE-2024-13546
📋 TL;DR
The GenerateBlocks WordPress plugin exposes sensitive content from private, draft, and scheduled posts/pages through the 'get_image_description' function. Authenticated attackers with Contributor-level access or higher can exploit this vulnerability to access restricted content. All WordPress sites using GenerateBlocks up to version 1.9.1 are affected.
💻 Affected Systems
- GenerateBlocks 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Attackers could extract sensitive business information, unpublished content, or confidential data from private posts, potentially leading to data breaches or intellectual property theft.
Likely Case
Malicious contributors or compromised accounts accessing unpublished content they shouldn't have permission to view, potentially leaking sensitive information.
If Mitigated
With proper access controls and monitoring, impact is limited to unauthorized viewing of unpublished content by authenticated users.
🎯 Exploit Status
Exploitation requires authenticated access with at least Contributor privileges. The vulnerability is in the dynamic content functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.9.2
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3239461/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find GenerateBlocks
4. Click 'Update Now' if update is available
5. Alternatively, download version 1.9.2+ from WordPress plugin repository
6. Deactivate old version and upload new version
7. Activate updated plugin
🔧 Temporary Workarounds
Restrict Contributor Access
allTemporarily remove Contributor role access or limit the number of users with Contributor+ privileges.
Disable GenerateBlocks Plugin
linuxTemporarily deactivate the GenerateBlocks plugin until patched.
wp plugin deactivate generateblocks
🧯 If You Can't Patch
- Implement strict access controls and monitor Contributor-level user activities
- Regularly audit user accounts and remove unnecessary Contributor+ privileges
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for GenerateBlocks version. If version is 1.9.1 or lower, system is vulnerable.Check Version:
wp plugin list --name=generateblocks --field=versionVerify Fix Applied:
Verify GenerateBlocks plugin version is 1.9.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to dynamic content endpoints by Contributor-level users
- Multiple requests to /wp-json/generateblocks/ endpoints
Network Indicators:
- HTTP requests to generateblocks dynamic content API endpoints with post ID parameters
SIEM Query:
source="wordpress" AND (uri_path="/wp-json/generateblocks/*" OR user_agent CONTAINS "WordPress") AND user_role="contributor"🔗 References
- https://plugins.trac.wordpress.org/browser/generateblocks/trunk/includes/class-dynamic-content.php#L1047
- https://plugins.trac.wordpress.org/browser/generateblocks/trunk/includes/class-dynamic-content.php#L1054
- https://plugins.trac.wordpress.org/changeset/3239461/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4f6f2a8c-ecd9-482c-a32e-0c3d7a7e4ec4?source=cve
