CVE-2023-7174

7.1 HIGH

📋 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

Products:
  • aBitGone CommentSafe WordPress Plugin
Versions: through 1.0.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Attack requires administrator to be logged in and tricked into visiting a malicious page.

📦 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Temporarily disable the aBitGone CommentSafe plugin until patched version is available

wp plugin deactivate abitgone-commentsafe

Implement CSRF protection

all

Add 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*)

🔗 References

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