CVE-2024-30529
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Tainacan WordPress plugin that allows unauthorized users to perform actions they shouldn't be able to. It affects all Tainacan plugin versions up to and including 0.20.7. WordPress sites using the vulnerable plugin are at risk of unauthorized data access or modification.
💻 Affected Systems
- Tainacan WordPress Plugin
📦 What is this software?
Tainacan by Tainacan
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users could access, modify, or delete sensitive collections, items, or metadata within the Tainacan digital repository, potentially compromising intellectual property or sensitive cultural heritage data.
Likely Case
Unauthorized users could view or modify content they shouldn't have access to, potentially exposing sensitive information or allowing content tampering.
If Mitigated
With proper access controls and network segmentation, impact would be limited to the Tainacan application layer only.
🎯 Exploit Status
Exploitation requires some level of access but doesn't require authentication to the vulnerable endpoints. The vulnerability is in access control logic.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.20.8 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/tainacan/wordpress-tainacan-plugin-0-20-7-broken-access-control-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Tainacan plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 0.20.8+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable Tainacan Plugin
allTemporarily disable the Tainacan plugin until patched
wp plugin deactivate tainacan
Restrict Access via .htaccess
linuxRestrict access to Tainacan endpoints to authorized users only
# Add to .htaccess in WordPress root:
<FilesMatch "tainacan">
Require valid-user
</FilesMatch>
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the WordPress site
- Enable detailed logging and monitoring for unauthorized access attempts to Tainacan endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Tainacan version. If version is 0.20.7 or lower, you are vulnerable.Check Version:
wp plugin get tainacan --field=versionVerify Fix Applied:
Verify Tainacan plugin version is 0.20.8 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Tainacan API endpoints
- Unexpected modifications to Tainacan collections or items from unprivileged users
Network Indicators:
- Unusual API calls to /wp-json/tainacan endpoints from unauthorized sources
SIEM Query:
source="wordpress.log" AND "tainacan" AND ("unauthorized" OR "403" OR "permission denied")