CVE-2023-31218
📋 TL;DR
This vulnerability in the WOLF WordPress plugin allows attackers to perform CSRF attacks that inject malicious JavaScript into WordPress posts. When exploited, it enables stored XSS attacks that can compromise administrator sessions and potentially take over WordPress sites. WordPress sites using vulnerable versions of the WOLF plugin are affected.
💻 Affected Systems
- realmag777 WOLF – WordPress Posts Bulk Editor and Manager Professional
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover through administrator account compromise, leading to defacement, data theft, malware distribution, or backdoor installation.
Likely Case
Session hijacking of logged-in users, content manipulation, credential theft via phishing, and privilege escalation.
If Mitigated
Limited impact with proper CSRF protections and content security policies in place.
🎯 Exploit Status
Exploitation requires tricking authenticated users into visiting malicious pages. CSRF-to-XSS chain makes exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: > 1.0.6
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WOLF – WordPress Posts Bulk Editor and Manager Professional'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the WOLF plugin until patched.
wp plugin deactivate bulk-editor
Implement CSRF protection
allAdd WordPress nonce verification to plugin functionality.
wp_nonce_field('wolf_action', 'wolf_nonce');
🧯 If You Can't Patch
- Remove the WOLF plugin entirely and use alternative bulk editing solutions.
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WOLF plugin version <= 1.0.6.
Check Version:
wp plugin get bulk-editor --field=version
Verify Fix Applied:
Confirm plugin version is > 1.0.6 in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with wolf-related actions
- Multiple failed nonce verification attempts
Network Indicators:
- CSRF attack patterns with wolf_action parameters
- JavaScript injection in post content
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND action="wolf_*")
🔗 References
- https://patchstack.com/database/vulnerability/bulk-editor/wordpress-wolf-wordpress-posts-bulk-editor-and-manager-professional-plugin-1-0-6-cross-site-scripting-xss-via-csrf-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/bulk-editor/wordpress-wolf-wordpress-posts-bulk-editor-and-manager-professional-plugin-1-0-6-cross-site-scripting-xss-via-csrf-vulnerability?_s_id=cve