CVE-2023-47435

9.8 CRITICAL

📋 TL;DR

A vulnerability in hexo-theme-matery's verifyPassword function allows attackers to bypass authentication and access password-protected pages without valid credentials. This affects all users running hexo-theme-matery v2.0.0 who have implemented password protection on their pages.

💻 Affected Systems

Products:
  • hexo-theme-matery
Versions: v2.0.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects installations using password protection features. Sites without password-protected pages are not vulnerable.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain unauthorized access to sensitive content, potentially exposing private information, intellectual property, or confidential data stored on password-protected pages.

🟠

Likely Case

Unauthorized users access protected content that was intended to be restricted, compromising content confidentiality and potentially violating privacy expectations.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to unauthorized content viewing without escalation to system compromise.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability is publicly documented in GitHub issues with technical details that could facilitate exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v2.0.1 or later

Vendor Advisory: https://github.com/blinkfox/hexo-theme-matery/issues/897

Restart Required: No

Instructions:

1. Update hexo-theme-matery to v2.0.1 or later via npm: npm update hexo-theme-matery
2. Verify the theme version in your package.json file
3. Regenerate and deploy your hexo site

🔧 Temporary Workarounds

Disable Password Protection

all

Temporarily remove password protection from all pages until patching is complete

Remove password configuration from page front-matter or theme configuration

🧯 If You Can't Patch

  • Implement web application firewall rules to block suspicious authentication bypass attempts
  • Monitor access logs for unauthorized access to protected pages and implement alerting

🔍 How to Verify

Check if Vulnerable:

Check package.json for hexo-theme-matery version 2.0.0 and verify if any pages have password protection enabled

Check Version:

npm list hexo-theme-matery

Verify Fix Applied:

Confirm hexo-theme-matery version is 2.0.1 or later in package.json and test password protection functionality

📡 Detection & Monitoring

Log Indicators:

  • Multiple failed authentication attempts followed by successful access to protected pages
  • Access to password-protected URLs without proper authentication logs

Network Indicators:

  • HTTP requests to protected pages without authentication headers or with malformed authentication data

SIEM Query:

source="web_server_logs" AND (url CONTAINS "/protected/" OR url CONTAINS "/private/") AND NOT (auth_status="success" OR user_agent CONTAINS "bot")

🔗 References

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