CVE-2025-2568

5.3 MEDIUM

📋 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

Products:
  • Vayu Blocks – Gutenberg Blocks for WordPress & WooCommerce
Versions: 1.0.4 to 1.2.1
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the vulnerable plugin versions enabled.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Temporarily disable the Vayu Blocks plugin until patched.

wp plugin deactivate vayu-blocks

Block Vulnerable Endpoints

linux

Use 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

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