CVE-2025-2568
📋 TL;DR
The Vayu Blocks WordPress plugin has missing capability checks in two callback functions, allowing unauthenticated attackers to read plugin options and modify any option with keys ending in '_value'. This affects WordPress sites using Vayu Blocks versions 1.0.4 through 1.2.1.
💻 Affected Systems
- Vayu Blocks – Gutenberg Blocks for WordPress & WooCommerce
⚠️ 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 modify critical WordPress options, potentially taking over the site, disabling security features, or injecting malicious code.
Likely Case
Attackers will modify plugin settings to inject malicious content, redirect users, or disable security features for further exploitation.
If Mitigated
With proper network controls and monitoring, impact is limited to plugin-specific settings manipulation.
🎯 Exploit Status
Simple HTTP requests to vulnerable endpoints with minimal technical knowledge required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.2
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3263702/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Vayu Blocks and click 'Update Now'. 4. Verify version is 1.2.2 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Vayu Blocks plugin until patched.
wp plugin deactivate vayu-blocks
Block Vulnerable Endpoints
linuxUse web application firewall or .htaccess to block access to vulnerable callback functions.
RewriteEngine On
RewriteRule ^wp-admin/admin-ajax\.php\?action=vayu_blocks_(get_toggle_switch_values|save_toggle_switch) - [F,L]
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin-ajax.php endpoint.
- Enable detailed logging of all admin-ajax.php requests and monitor for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Vayu Blocks version. If version is between 1.0.4 and 1.2.1 inclusive, you are vulnerable.
Check Version:
wp plugin get vayu-blocks --field=version
Verify Fix Applied:
Verify plugin version is 1.2.2 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with action=vayu_blocks_get_toggle_switch_values or vayu_blocks_save_toggle_switch from unauthenticated IPs
Network Indicators:
- HTTP requests to admin-ajax.php with vayu_blocks callback actions from external sources
SIEM Query:
source="web_access.log" AND uri="/wp-admin/admin-ajax.php" AND (query="*action=vayu_blocks_get_toggle_switch_values*" OR query="*action=vayu_blocks_save_toggle_switch*")
🔗 References
- https://plugins.trac.wordpress.org/browser/vayu-blocks/trunk/inc/function.php#L126
- https://plugins.trac.wordpress.org/browser/vayu-blocks/trunk/inc/function.php#L133
- https://plugins.trac.wordpress.org/browser/vayu-blocks/trunk/inc/function.php#L139
- https://plugins.trac.wordpress.org/browser/vayu-blocks/trunk/inc/function.php#L182
- https://plugins.trac.wordpress.org/changeset/3263702/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/27ca93a1-3dfc-4bbd-834a-1c04d9e22ebf?source=cve