CVE-2023-47781
📋 TL;DR
This CSRF vulnerability in Thrive Theme Builder allows attackers to trick authenticated WordPress administrators into performing unintended actions. If exploited, it could lead to account takeover by changing administrator passwords or other critical settings. All WordPress sites using affected Thrive Theme Builder versions are vulnerable.
💻 Affected Systems
- Thrive Themes Thrive Theme Builder
📦 What is this software?
Thrive Themes Builder by Thrivethemes
⚠️ Risk & Real-World Impact
Worst Case
Complete site compromise through administrator account takeover, allowing attackers to install backdoors, deface the site, or steal sensitive data.
Likely Case
Unauthorized administrative actions performed by tricked administrators, potentially leading to site configuration changes, plugin installations, or content modifications.
If Mitigated
Limited impact with proper CSRF protections, though some administrative actions might still be vulnerable if other security controls fail.
🎯 Exploit Status
CSRF attacks are well-understood and easy to weaponize. Requires social engineering to trick authenticated administrators.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.24.2
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Find Thrive Theme Builder and update to version 3.24.2 or later. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection to WordPress forms using security plugins or custom code
Use Security Headers
allImplement Content Security Policy and SameSite cookie attributes
🧯 If You Can't Patch
- Restrict administrative access to trusted IP addresses only
- Implement two-factor authentication for all administrator accounts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes > Thrive Theme Builder versionCheck Version:
wp theme list --field=name,version | grep thriveVerify Fix Applied:
Confirm Thrive Theme Builder version is 3.24.2 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Multiple administrative actions from same session in rapid succession
- Unexpected password reset or user role change logs
Network Indicators:
- POST requests to admin-ajax.php or admin-post.php without referrer headers
- Cross-origin requests to WordPress admin endpoints
SIEM Query:
source="wordpress" AND (event="user_role_changed" OR event="password_reset") AND user_role="administrator"🔗 References
- https://patchstack.com/database/vulnerability/thrive-theme/wordpress-thrive-theme-builder-theme-3-20-1-cross-site-request-forgery-csrf-to-account-takeover-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/thrive-theme/wordpress-thrive-theme-builder-theme-3-20-1-cross-site-request-forgery-csrf-to-account-takeover-vulnerability?_s_id=cve
