CVE-2023-5949

7.5 HIGH

📋 TL;DR

This vulnerability in the SmartCrawl WordPress plugin allows unauthorized users to access password-protected posts' content. It affects WordPress sites using SmartCrawl versions before 3.8.3, potentially exposing sensitive content intended to be restricted.

💻 Affected Systems

Products:
  • SmartCrawl WordPress Plugin
Versions: All versions before 3.8.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with SmartCrawl plugin enabled and password-protected posts configured.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers access sensitive password-protected content such as private announcements, confidential documents, or restricted member-only information, leading to data exposure and privacy violations.

🟠

Likely Case

Unauthenticated users bypass password protection to read content intended for specific audiences, compromising content confidentiality.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to unauthorized viewing of protected posts without further system compromise.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires no authentication and minimal technical skill, making it accessible to basic attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.8.3

Vendor Advisory: https://wpscan.com/vulnerability/3cec27ca-f470-402d-ae3e-271cb59cf407

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find SmartCrawl plugin and click 'Update Now'. 4. Verify version is 3.8.3 or later.

🔧 Temporary Workarounds

Disable SmartCrawl Plugin

linux

Temporarily disable the SmartCrawl plugin to prevent exploitation until patching is possible.

wp plugin deactivate smartcrawl-seo

Remove Password Protection

all

Temporarily remove password protection from posts or use alternative access control methods.

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block unauthorized access to protected post endpoints.
  • Monitor access logs for unusual patterns of requests to password-protected content.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > SmartCrawl to see if version is below 3.8.3.

Check Version:

wp plugin get smartcrawl-seo --field=version

Verify Fix Applied:

Confirm SmartCrawl plugin version is 3.8.3 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Multiple unauthorized requests to password-protected post URLs without authentication
  • Access logs showing successful HTTP 200 responses to protected content from unauthenticated IPs

Network Indicators:

  • Unusual traffic patterns to /wp-content/plugins/smartcrawl-seo/ endpoints
  • Requests bypassing authentication to access restricted posts

SIEM Query:

source="wordpress_access.log" AND (uri="/wp-content/plugins/smartcrawl-seo/" OR uri MATCH "*password-protected*") AND status=200 AND NOT user_agent="WordPress/*"

🔗 References

📤 Share & Export