CVE-2025-14434
📋 TL;DR
The Ultimate Post Kit Addons for Elementor WordPress plugin before version 4.0.16 contains an authentication bypass vulnerability in AJAX endpoints. Unauthenticated attackers can retrieve HTML content of private and unpublished posts. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Ultimate Post Kit Addons for Elementor 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Attackers could extract sensitive information from unpublished posts, including draft content, private announcements, or embargoed material before official publication.
Likely Case
Unauthorized access to unpublished content, potentially revealing internal communications, draft articles, or private site information.
If Mitigated
Limited to information disclosure of unpublished content without ability to modify or delete posts.
🎯 Exploit Status
Simple HTTP requests to vulnerable AJAX endpoints can trigger the vulnerability without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.16
Vendor Advisory: https://wpscan.com/vulnerability/bf3c3193-fc9c-454b-ad4f-94ba1669a312/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Ultimate Post Kit Addons for Elementor'
4. Click 'Update Now' if available
5. If no update appears, manually download version 4.0.16+ from WordPress repository
6. Deactivate old version, upload new version, activate
🔧 Temporary Workarounds
Disable vulnerable AJAX endpoints
allAdd code to functions.php or custom plugin to disable the vulnerable loadmore endpoints
add_action('init', function() {
remove_action('wp_ajax_upk_alex_grid_loadmore_posts', 'upk_alex_grid_loadmore_posts');
remove_action('wp_ajax_nopriv_upk_alex_grid_loadmore_posts', 'upk_alex_grid_loadmore_posts');
});
Temporarily disable plugin
allDeactivate the Ultimate Post Kit Addons plugin until patched
wp plugin deactivate ultimate-post-kit-addons
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block requests to vulnerable AJAX endpoints
- Restrict access to WordPress admin AJAX endpoints using IP whitelisting or authentication requirements
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Ultimate Post Kit Addons → Version number. If below 4.0.16, vulnerable.Check Version:
wp plugin get ultimate-post-kit-addons --field=versionVerify Fix Applied:
After update, verify version shows 4.0.16 or higher. Test AJAX endpoints with unauthenticated requests should return authentication errors.📡 Detection & Monitoring
Log Indicators:
- Multiple 200 OK responses to /wp-admin/admin-ajax.php with action=upk_alex_grid_loadmore_posts from unauthenticated users
- Unusual volume of requests to AJAX endpoints from single IPs
Network Indicators:
- HTTP POST requests to /wp-admin/admin-ajax.php with action parameters containing 'upk_' and 'loadmore' patterns
SIEM Query:
source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND action="upk_*loadmore*" AND status=200 AND NOT authenticated_user EXISTS