CVE-2023-7174
📋 TL;DR
This vulnerability in the aBitGone CommentSafe WordPress plugin allows attackers to trick logged-in administrators into executing malicious actions without their consent. Attackers can inject stored cross-site scripting (XSS) payloads through cross-site request forgery (CSRF) attacks. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- aBitGone CommentSafe WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could inject persistent malicious scripts that steal administrator credentials, hijack sessions, deface websites, or install backdoors, potentially leading to complete site compromise.
Likely Case
Attackers would inject malicious JavaScript to steal administrator cookies/sessions, redirect users to malicious sites, or perform unauthorized actions on behalf of administrators.
If Mitigated
With proper CSRF tokens, input sanitization, and output escaping, the attack would fail, preventing unauthorized actions and script injection.
🎯 Exploit Status
Exploitation requires social engineering to trick administrators, but the technical execution is straightforward once the administrator visits a malicious page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Vendor Advisory: https://wpscan.com/vulnerability/9c1c6d61-5588-4c21-95f6-2818c4f5c355/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'aBitGone CommentSafe' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the aBitGone CommentSafe plugin until patched version is available
wp plugin deactivate abitgone-commentsafe
Implement CSRF protection
allAdd WordPress nonce verification to plugin forms and actions
Add wp_nonce_field() to forms and check_admin_referer() or wp_verify_nonce() to form processing
🧯 If You Can't Patch
- Remove the aBitGone CommentSafe plugin completely and use alternative comment management solutions
- Implement web application firewall (WAF) rules to block CSRF attacks and XSS payloads targeting the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'aBitGone CommentSafe' version 1.0.0 or earlier
Check Version:
wp plugin list --name='abitgone-commentsafe' --field=version
Verify Fix Applied:
Verify plugin version is 1.0.1 or later in WordPress admin plugins page
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php or plugin-specific endpoints without referrer headers
- Multiple failed nonce verification attempts in WordPress debug logs
Network Indicators:
- HTTP requests containing suspicious JavaScript payloads in POST parameters to WordPress admin endpoints
- Cross-origin requests to WordPress admin functions without proper referrer validation
SIEM Query:
source="wordpress.log" AND ("admin-ajax.php" OR "commentsafe") AND (POST AND NOT referer=*your-domain*)