CVE-2025-12015

4.3 MEDIUM

📋 TL;DR

This vulnerability allows authenticated WordPress users with Subscriber-level access or higher to disconnect the Afosto service from the Quicq plugin without proper authorization. It affects all WordPress sites using the Quicq plugin version 2.0.0 or earlier. The issue stems from missing capability checks on a specific AJAX endpoint.

💻 Affected Systems

Products:
  • Convert WebP & AVIF | Quicq | Best image optimizer and compression plugin | Improve your Google Pagespeed
Versions: All versions up to and including 2.0.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the Quicq plugin enabled and at least one authenticated user with Subscriber role or higher.

⚠️ 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

Malicious authenticated users could disrupt image optimization services, potentially affecting site performance and SEO metrics by disabling critical functionality.

🟠

Likely Case

Low-privilege users could disconnect the Afosto integration, requiring administrator intervention to restore functionality and potentially causing temporary performance degradation.

🟢

If Mitigated

With proper user access controls and monitoring, impact would be limited to service disruption requiring manual reconnection.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but uses standard WordPress AJAX functionality with minimal technical complexity.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 2.0.0

Vendor Advisory: https://wordpress.org/plugins/quicq/

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Quicq' plugin
4. Click 'Update Now' if update available
5. Alternatively, download latest version from WordPress plugin repository
6. Deactivate and delete old version
7. Upload and activate new version

🔧 Temporary Workarounds

Restrict User Access

all

Limit Subscriber and other low-privilege user accounts to reduce attack surface

Disable Vulnerable Endpoint

linux

Block access to the vulnerable AJAX endpoint using .htaccess or web application firewall

# Add to .htaccess
RewriteCond %{QUERY_STRING} action=wpqai_disconnect_quicq_afosto [NC]
RewriteRule .* - [F,L]

🧯 If You Can't Patch

  • Implement strict user role management and review all accounts with Subscriber access or higher
  • Monitor WordPress AJAX logs for requests to 'wp_ajax_wpqai_disconnect_quicq_afosto' endpoint

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Quicq plugin version 2.0.0 or earlier

Check Version:

wp plugin list --name=quicq --field=version

Verify Fix Applied:

Verify Quicq plugin version is higher than 2.0.0 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • WordPress AJAX requests to 'wp_ajax_wpqai_disconnect_quicq_afosto' from non-admin users
  • Plugin deactivation or service disconnection events in Quicq logs

Network Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=wpqai_disconnect_quicq_afosto

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND query_string="*action=wpqai_disconnect_quicq_afosto*")

🔗 References

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