CVE-2023-31077
📋 TL;DR
This CSRF vulnerability in the Export WP Page to Static HTML/CSS WordPress plugin allows attackers to trick authenticated administrators into performing unauthorized actions. Attackers can force admins to export site content or modify plugin settings without their consent. All WordPress sites using vulnerable plugin versions are affected.
💻 Affected Systems
- Export WP Page to Static HTML/CSS WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could export all site content to attacker-controlled locations, modify plugin settings to compromise site functionality, or chain with other vulnerabilities for further exploitation.
Likely Case
Attackers trick administrators into exporting sensitive site content or changing plugin configurations, potentially leading to data exposure or site disruption.
If Mitigated
With proper CSRF protections and admin awareness, exploitation attempts would fail, limiting impact to failed attack attempts.
🎯 Exploit Status
CSRF attacks are well-understood and easy to weaponize, though exploitation requires social engineering to trick authenticated users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Export WP Page to Static HTML/CSS'. 4. Click 'Update Now' if update available. 5. Alternatively, download version 2.2.0+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDeactivate the vulnerable plugin until patched version can be installed
wp plugin deactivate export-wp-page-to-static-html
CSRF Protection via .htaccess
linuxAdd CSRF protection headers at web server level
Header set X-Frame-Options "SAMEORIGIN"
Header set Content-Security-Policy "frame-ancestors 'self'"
🧯 If You Can't Patch
- Implement strict SameSite cookie policies and CSRF tokens at application level
- Restrict plugin admin access to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for 'Export WP Page to Static HTML/CSS' version <= 2.1.9
Check Version:
wp plugin get export-wp-page-to-static-html --field=version
Verify Fix Applied:
Verify plugin version is 2.2.0 or higher in WordPress admin plugins page
📡 Detection & Monitoring
Log Indicators:
- Multiple failed export attempts from unusual IPs
- Unexpected plugin configuration changes in admin logs
Network Indicators:
- POST requests to /wp-admin/admin.php?page=export-wp-page-to-static-html from non-admin IPs
- Cross-origin requests to plugin endpoints
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin.php" AND query_string="page=export-wp-page-to-static-html") AND http_method="POST"
🔗 References
- https://patchstack.com/database/vulnerability/export-wp-page-to-static-html/wordpress-export-wp-page-to-static-html-css-plugin-2-1-9-cross-site-request-forgery-csrf-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/export-wp-page-to-static-html/wordpress-export-wp-page-to-static-html-css-plugin-2-1-9-cross-site-request-forgery-csrf-vulnerability?_s_id=cve